1625312895 has 16 divisors (see below), whose sum is σ = 2603028480. Its totient is φ = 865990944.

The previous prime is 1625312879. The next prime is 1625312929. The reversal of 1625312895 is 5982135261.

It is not a de Polignac number, because 1625312895 - 2⁴ = 1625312879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36559 + ... + 67728.

It is an arithmetic number, because the mean of its divisors is an integer number (162689280).

Almost surely, 2^1625312895 is an apocalyptic number.

1625312895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1625312895 is a deficient number, since it is larger than the sum of its proper divisors (977715585).

1625312895 is a wasteful number, since it uses less digits than its factorization.

1625312895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105334.

The product of its digits is 129600, while the sum is 42.

The square root of 1625312895 is about 40315.1695395170. The cubic root of 1625312895 is about 1175.7427975682.

The spelling of 1625312895 in words is "one billion, six hundred twenty-five million, three hundred twelve thousand, eight hundred ninety-five".