625013525 has 6 divisors (see below), whose sum is σ = 775016802. Its totient is φ = 500010800.

The previous prime is 625013479. The next prime is 625013563. The reversal of 625013525 is 525310526.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 59382436 + 565631089 = 7706^2 + 23783^2 .

It is not a de Polignac number, because 625013525 - 2¹⁰ = 625012501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12500246 + ... + 12500295.

It is an arithmetic number, because the mean of its divisors is an integer number (129169467).

Almost surely, 2^625013525 is an apocalyptic number.

It is an amenable number.

625013525 is a deficient number, since it is larger than the sum of its proper divisors (150003277).

625013525 is a wasteful number, since it uses less digits than its factorization.

625013525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000551 (or 25000546 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 625013525 is about 25000.2704985366. The cubic root of 625013525 is about 854.9941406071.

The spelling of 625013525 in words is "six hundred twenty-five million, thirteen thousand, five hundred twenty-five".