25077565437252 has 24 divisors (see below), whose sum is σ = 58618252441056. Its totient is φ = 8344340895168.

The previous prime is 25077565437251. The next prime is 25077565437257. The reversal of 25077565437252 is 25273456577052.

It is a happy number.

It is a super-3 number, since 3×25077565437252³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25077565437251) 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, 1855940953 + ... + 1855954464.

It is an arithmetic number, because the mean of its divisors is an integer number (2442427185044).

Almost surely, 2^{25077565437252} is an apocalyptic number.

It is an amenable number.

25077565437252 is an abundant number, since it is smaller than the sum of its proper divisors (33540687003804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25077565437252 is a wasteful number, since it uses less digits than its factorization.

25077565437252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711895987 (or 3711895985 counting only the distinct ones).

The product of its (nonzero) digits is 123480000, while the sum is 60.

The spelling of 25077565437252 in words is "twenty-five trillion, seventy-seven billion, five hundred sixty-five million, four hundred thirty-seven thousand, two hundred fifty-two".