25402430 has 16 divisors (see below), whose sum is σ = 48131280. Its totient is φ = 9626112.

The previous prime is 25402417. The next prime is 25402439. The reversal of 25402430 is 3420452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25402439) 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 7 ways as a sum of consecutive naturals, for example, 66659 + ... + 67038.

It is an arithmetic number, because the mean of its divisors is an integer number (3008205).

Almost surely, 2^25402430 is an apocalyptic number.

25402430 is a deficient number, since it is larger than the sum of its proper divisors (22728850).

25402430 is a wasteful number, since it uses less digits than its factorization.

25402430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133723.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 25402430 is about 5040.0823405972. The cubic root of 25402430 is about 293.9623796866.

Adding to 25402430 its reverse (3420452), we get a palindrome (28822882).

The spelling of 25402430 in words is "twenty-five million, four hundred two thousand, four hundred thirty".