522501121245025 has 12 divisors (see below), whose sum is σ = 697739958832252. Its totient is φ = 385846981842240.

The previous prime is 522501121245007. The next prime is 522501121245049. The reversal of 522501121245025 is 520542121105225.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 77204058389056 + 445297062855969 = 8786584^2 + 21102063^2 .

It is not a de Polignac number, because 522501121245025 - 2⁴¹ = 520302097989473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 803847878514 + ... + 803847879163.

Almost surely, 2^{522501121245025} is an apocalyptic number.

It is an amenable number.

522501121245025 is a deficient number, since it is larger than the sum of its proper divisors (175238837587227).

522501121245025 is a wasteful number, since it uses less digits than its factorization.

522501121245025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607695757700 (or 1607695757695 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 37.

The spelling of 522501121245025 in words is "five hundred twenty-two trillion, five hundred one billion, one hundred twenty-one million, two hundred forty-five thousand, twenty-five".