1425555541 has 4 divisors (see below), whose sum is σ = 1500584800. Its totient is φ = 1350526284.

The previous prime is 1425555529. The next prime is 1425555577. The reversal of 1425555541 is 1455555241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1425555541 - 2⁹ = 1425555029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1425555541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425555041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37514601 + ... + 37514638.

It is an arithmetic number, because the mean of its divisors is an integer number (375146200).

Almost surely, 2^1425555541 is an apocalyptic number.

It is an amenable number.

1425555541 is a deficient number, since it is larger than the sum of its proper divisors (75029259).

1425555541 is an equidigital number, since it uses as much as digits as its factorization.

1425555541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75029258.

The product of its digits is 100000, while the sum is 37.

The square root of 1425555541 is about 37756.5297796288. The cubic root of 1425555541 is about 1125.4547734366.

It can be divided in two parts, 14255 and 55541, that added together give a palindrome (69796).

The spelling of 1425555541 in words is "one billion, four hundred twenty-five million, five hundred fifty-five thousand, five hundred forty-one".