1625874755 has 4 divisors (see below), whose sum is σ = 1951049712. Its totient is φ = 1300699800.

The previous prime is 1625874743. The next prime is 1625874769. The reversal of 1625874755 is 5574785261.

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

It is not a de Polignac number, because 1625874755 - 2⁸ = 1625874499 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 162587471 + ... + 162587480.

It is an arithmetic number, because the mean of its divisors is an integer number (487762428).

Almost surely, 2^1625874755 is an apocalyptic number.

1625874755 is a deficient number, since it is larger than the sum of its proper divisors (325174957).

1625874755 is an equidigital number, since it uses as much as digits as its factorization.

1625874755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325174956.

The product of its digits is 2352000, while the sum is 50.

The square root of 1625874755 is about 40322.1372821432. The cubic root of 1625874755 is about 1175.8782641488.

The spelling of 1625874755 in words is "one billion, six hundred twenty-five million, eight hundred seventy-four thousand, seven hundred fifty-five".