525207322025 has 6 divisors (see below), whose sum is σ = 651257079342. Its totient is φ = 420165857600.

The previous prime is 525207322007. The next prime is 525207322033. The reversal of 525207322025 is 520223702525.

It can be written as a sum of positive squares in 3 ways, for example, as 126656268544 + 398551053481 = 355888^2 + 631309^2 .

It is a de Polignac number, because none of the positive numbers 2^k-525207322025 is a prime.

It is a super-2 number, since 2×525207322025² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10504146416 + ... + 10504146465.

It is an arithmetic number, because the mean of its divisors is an integer number (108542846557).

Almost surely, 2^525207322025 is an apocalyptic number.

It is an amenable number.

525207322025 is a deficient number, since it is larger than the sum of its proper divisors (126049757317).

525207322025 is a wasteful number, since it uses less digits than its factorization.

525207322025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21008292891 (or 21008292886 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 35.

The spelling of 525207322025 in words is "five hundred twenty-five billion, two hundred seven million, three hundred twenty-two thousand, twenty-five".