1626725025 has 120 divisors (see below), whose sum is σ = 3208455360. Its totient is φ = 812972160.

The previous prime is 1626725021. The next prime is 1626725027. The reversal of 1626725025 is 5205276261.

1626725025 is a `hidden beast` number, since 1 + 626 + 7 + 2 + 5 + 0 + 25 = 666.

It is not a de Polignac number, because 1626725025 - 2² = 1626725021 is a prime.

It is a super-2 number, since 2×1626725025² = 5292468613922501250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1626725021) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2468146 + ... + 2468804.

It is an arithmetic number, because the mean of its divisors is an integer number (26737128).

Almost surely, 2^1626725025 is an apocalyptic number.

1626725025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1626725025 is a deficient number, since it is larger than the sum of its proper divisors (1581730335).

1626725025 is a wasteful number, since it uses less digits than its factorization.

1626725025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 1626725025 is about 40332.6793679765. The cubic root of 1626725025 is about 1176.0832081379.

The spelling of 1626725025 in words is "one billion, six hundred twenty-six million, seven hundred twenty-five thousand, twenty-five".