1625000264 has 8 divisors (see below), whose sum is σ = 3046875510. Its totient is φ = 812500128.

The previous prime is 1625000257. The next prime is 1625000303. The reversal of 1625000264 is 4620005261.

It can be written as a sum of positive squares in only one way, i.e., 992880100 + 632120164 = 31510^2 + 25142^2 .

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

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 as a sum of consecutive naturals, namely, 101562509 + ... + 101562524.

Almost surely, 2^1625000264 is an apocalyptic number.

It is an amenable number.

1625000264 is a deficient number, since it is larger than the sum of its proper divisors (1421875246).

1625000264 is a wasteful number, since it uses less digits than its factorization.

1625000264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203125039 (or 203125035 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1625000264 is about 40311.2920160096. The cubic root of 1625000264 is about 1175.6674075273.

The spelling of 1625000264 in words is "one billion, six hundred twenty-five million, two hundred sixty-four", and thus it is an aban number.