725212067104251 has 24 divisors (see below), whose sum is σ = 1051777631346624. Its totient is φ = 481513870134000.

The previous prime is 725212067104237. The next prime is 725212067104267. The reversal of 725212067104251 is 152401760212527.

It is a happy number.

725212067104251 is a `hidden beast` number, since 7 + 2 + 5 + 2 + 1 + 206 + 7 + 10 + 425 + 1 = 666.

It is not a de Polignac number, because 725212067104251 - 2¹¹ = 725212067102203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725212067104197 and 725212067104206.

It is not an unprimeable number, because it can be changed into a prime (725212067104351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19873800 + ... + 42958026.

It is an arithmetic number, because the mean of its divisors is an integer number (43824067972776).

Almost surely, 2^{725212067104251} is an apocalyptic number.

725212067104251 is a deficient number, since it is larger than the sum of its proper divisors (326565564242373).

725212067104251 is a wasteful number, since it uses less digits than its factorization.

725212067104251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23098391 (or 23098388 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 725212067104251 in words is "seven hundred twenty-five trillion, two hundred twelve billion, sixty-seven million, one hundred four thousand, two hundred fifty-one".