1627650125 has 16 divisors (see below), whose sum is σ = 2150798832. Its totient is φ = 1225523200.

The previous prime is 1627650113. The next prime is 1627650139. The reversal of 1627650125 is 5210567261.

It can be written as a sum of positive squares in 8 ways, for example, as 572309929 + 1055340196 = 23923^2 + 32486^2 .

It is not a de Polignac number, because 1627650125 - 2¹⁴ = 1627633741 is a prime.

It is a Duffinian number.

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, 380852 + ... + 385101.

It is an arithmetic number, because the mean of its divisors is an integer number (134424927).

Almost surely, 2^1627650125 is an apocalyptic number.

It is an amenable number.

1627650125 is a deficient number, since it is larger than the sum of its proper divisors (523148707).

1627650125 is an equidigital number, since it uses as much as digits as its factorization.

1627650125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765985 (or 765975 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1627650125 is about 40344.1461057239. The cubic root of 1627650125 is about 1176.3061075996.

The spelling of 1627650125 in words is "one billion, six hundred twenty-seven million, six hundred fifty thousand, one hundred twenty-five".