25042303445 has 8 divisors (see below), whose sum is σ = 31086997560. Its totient is φ = 19343020480.

The previous prime is 25042303393. The next prime is 25042303459. The reversal of 25042303445 is 54430324052.

It can be written as a sum of positive squares in 4 ways, for example, as 6117899089 + 18924404356 = 78217^2 + 137566^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25042303445 - 2⁶ = 25042303381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86352626 + ... + 86352915.

It is an arithmetic number, because the mean of its divisors is an integer number (3885874695).

Almost surely, 2^25042303445 is an apocalyptic number.

It is an amenable number.

25042303445 is a deficient number, since it is larger than the sum of its proper divisors (6044694115).

25042303445 is a wasteful number, since it uses less digits than its factorization.

25042303445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172705575.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 25042303445 its reverse (54430324052), we get a palindrome (79472627497).

The spelling of 25042303445 in words is "twenty-five billion, forty-two million, three hundred three thousand, four hundred forty-five".