2523621074725 has 12 divisors (see below), whose sum is σ = 3129310156644. Its totient is φ = 2018883941120.

The previous prime is 2523621074659. The next prime is 2523621074747. The reversal of 2523621074725 is 5274701263252.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 987491363076 + 1536129711649 = 993726^2 + 1239407^2 .

It is not a de Polignac number, because 2523621074725 - 2³⁹ = 1973865260837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6433947 + ... + 6814903.

It is an arithmetic number, because the mean of its divisors is an integer number (260775846387).

Almost surely, 2^{2523621074725} is an apocalyptic number.

2523621074725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2523621074725 is a deficient number, since it is larger than the sum of its proper divisors (605689081919).

2523621074725 is a wasteful number, since it uses less digits than its factorization.

2523621074725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645944 (or 645939 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 2523621074725 in words is "two trillion, five hundred twenty-three billion, six hundred twenty-one million, seventy-four thousand, seven hundred twenty-five".