525042454522 has 16 divisors (see below), whose sum is σ = 836776408680. Its totient is φ = 247078797504.

The previous prime is 525042454499. The next prime is 525042454529. The reversal of 525042454522 is 225454240525.

It can be written as a sum of positive squares in 4 ways, for example, as 477827945001 + 47214509521 = 691251^2 + 217289^2 .

It is a super-3 number, since 3×525042454522³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (525042454529) 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, 26707173 + ... + 26726824.

Almost surely, 2^525042454522 is an apocalyptic number.

525042454522 is a deficient number, since it is larger than the sum of its proper divisors (311733954158).

525042454522 is an equidigital number, since it uses as much as digits as its factorization.

525042454522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53434050 (or 53434016 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 40.

The spelling of 525042454522 in words is "five hundred twenty-five billion, forty-two million, four hundred fifty-four thousand, five hundred twenty-two".