525464525 has 12 divisors (see below), whose sum is σ = 663871572. Its totient is φ = 412439040.

The previous prime is 525464503. The next prime is 525464549.

It is a happy number.

525464525 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 30980356 + 494484169 = 5566^2 + 22237^2 .

It is not a de Polignac number, because 525464525 - 2⁶ = 525464461 is a prime.

It is a super-2 number, since 2×525464525² = 552225934066951250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196964 + ... + 199613.

It is an arithmetic number, because the mean of its divisors is an integer number (55322631).

Almost surely, 2^525464525 is an apocalyptic number.

It is an amenable number.

525464525 is a deficient number, since it is larger than the sum of its proper divisors (138407047).

525464525 is a wasteful number, since it uses less digits than its factorization.

525464525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396640 (or 396635 counting only the distinct ones).

The product of its digits is 240000, while the sum is 38.

The square root of 525464525 is about 22923.0130000399. The cubic root of 525464525 is about 806.9521823780.

The spelling of 525464525 in words is "five hundred twenty-five million, four hundred sixty-four thousand, five hundred twenty-five".