1625520960053 has 4 divisors (see below), whose sum is σ = 1625706509388. Its totient is φ = 1625335410720.

The previous prime is 1625520960047. The next prime is 1625520960061. The reversal of 1625520960053 is 3500690255261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 782839187524 + 842681772529 = 884782^2 + 917977^2 .

It is a cyclic number.

It is not a de Polignac number, because 1625520960053 - 2²² = 1625516765749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1625520959986 and 1625520960013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625520960023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92761526 + ... + 92779047.

It is an arithmetic number, because the mean of its divisors is an integer number (406426627347).

Almost surely, 2^{1625520960053} is an apocalyptic number.

It is an amenable number.

1625520960053 is a deficient number, since it is larger than the sum of its proper divisors (185549335).

1625520960053 is an equidigital number, since it uses as much as digits as its factorization.

1625520960053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185549334.

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 1625520960053 in words is "one trillion, six hundred twenty-five billion, five hundred twenty million, nine hundred sixty thousand, fifty-three".