525475013506 has 32 divisors (see below), whose sum is σ = 802621684080. Its totient is φ = 257986560000.

The previous prime is 525475013431. The next prime is 525475013509. The reversal of 525475013506 is 605310574525.

It can be written as a sum of positive squares in 8 ways, for example, as 521415412281 + 4059601225 = 722091^2 + 63715^2 .

It is a super-2 number, since 2×525475013506² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525475013509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11866206 + ... + 11910406.

Almost surely, 2^525475013506 is an apocalyptic number.

525475013506 is a deficient number, since it is larger than the sum of its proper divisors (277146670574).

525475013506 is a wasteful number, since it uses less digits than its factorization.

525475013506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44790.

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 525475013506 in words is "five hundred twenty-five billion, four hundred seventy-five million, thirteen thousand, five hundred six".