25235021452 has 24 divisors (see below), whose sum is σ = 45954216000. Its totient is φ = 12115192656.

The previous prime is 25235021417. The next prime is 25235021467. The reversal of 25235021452 is 25412053252.

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, 1233202 + ... + 1253497.

It is an arithmetic number, because the mean of its divisors is an integer number (1914759000).

Almost surely, 2^25235021452 is an apocalyptic number.

It is an amenable number.

25235021452 is a deficient number, since it is larger than the sum of its proper divisors (20719194548).

25235021452 is a wasteful number, since it uses less digits than its factorization.

25235021452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486805 (or 2486803 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 25235021452 in words is "twenty-five billion, two hundred thirty-five million, twenty-one thousand, four hundred fifty-two".