1625056633 has 4 divisors (see below), whose sum is σ = 1626497140. Its totient is φ = 1623616128.

The previous prime is 1625056627. The next prime is 1625056663. The reversal of 1625056633 is 3366505261.

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 614643264 + 1010413369 = 24792^2 + 31787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1625056633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1625056592 and 1625056601.

It is not an unprimeable number, because it can be changed into a prime (1625056663) 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, 718560 + ... + 720817.

It is an arithmetic number, because the mean of its divisors is an integer number (406624285).

Almost surely, 2^1625056633 is an apocalyptic number.

It is an amenable number.

1625056633 is a deficient number, since it is larger than the sum of its proper divisors (1440507).

1625056633 is a wasteful number, since it uses less digits than its factorization.

1625056633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440506.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 1625056633 is about 40311.9911812850. The cubic root of 1625056633 is about 1175.6810014594.

The spelling of 1625056633 in words is "one billion, six hundred twenty-five million, fifty-six thousand, six hundred thirty-three".