25242235604 has 24 divisors (see below), whose sum is σ = 46758650400. Its totient is φ = 11890044000.

The previous prime is 25242235567. The next prime is 25242235609. The reversal of 25242235604 is 40653224252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25242235609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914147 + ... + 941354.

It is an arithmetic number, because the mean of its divisors is an integer number (1948277100).

Almost surely, 2^25242235604 is an apocalyptic number.

It is an amenable number.

25242235604 is a deficient number, since it is larger than the sum of its proper divisors (21516414796).

25242235604 is a wasteful number, since it uses less digits than its factorization.

25242235604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855703 (or 1855701 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 25242235604 its reverse (40653224252), we get a palindrome (65895459856).

The spelling of 25242235604 in words is "twenty-five billion, two hundred forty-two million, two hundred thirty-five thousand, six hundred four".