1625034872 has 8 divisors (see below), whose sum is σ = 3046940400. Its totient is φ = 812517432.

The previous prime is 1625034871. The next prime is 1625034883. The reversal of 1625034872 is 2784305261.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625034871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101564672 + ... + 101564687.

It is an arithmetic number, because the mean of its divisors is an integer number (380867550).

Almost surely, 2^1625034872 is an apocalyptic number.

It is an amenable number.

1625034872 is a deficient number, since it is larger than the sum of its proper divisors (1421905528).

1625034872 is a wasteful number, since it uses less digits than its factorization.

1625034872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203129365 (or 203129361 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 1625034872 is about 40311.7212730987. The cubic root of 1625034872 is about 1175.6757536200.

The spelling of 1625034872 in words is "one billion, six hundred twenty-five million, thirty-four thousand, eight hundred seventy-two".