662495525 has 12 divisors (see below), whose sum is σ = 869818212. Its totient is φ = 498819840.

The previous prime is 662495489. The next prime is 662495527. The reversal of 662495525 is 525594266.

It can be written as a sum of positive squares in 6 ways, for example, as 81830116 + 580665409 = 9046^2 + 24097^2 .

It is not a de Polignac number, because 662495525 - 2⁸ = 662495269 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662495527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 778982 + ... + 779831.

It is an arithmetic number, because the mean of its divisors is an integer number (72484851).

Almost surely, 2^662495525 is an apocalyptic number.

It is an amenable number.

662495525 is a deficient number, since it is larger than the sum of its proper divisors (207322687).

662495525 is a wasteful number, since it uses less digits than its factorization.

662495525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558840 (or 1558835 counting only the distinct ones).

The product of its digits is 648000, while the sum is 44.

The square root of 662495525 is about 25738.9884222360. The cubic root of 662495525 is about 871.7547378049.

The spelling of 662495525 in words is "six hundred sixty-two million, four hundred ninety-five thousand, five hundred twenty-five".