2102650025 has 48 divisors (see below), whose sum is σ = 3083136000. Its totient is φ = 1421642880.

The previous prime is 2102650007. The next prime is 2102650037. The reversal of 2102650025 is 5200562012.

It is not a de Polignac number, because 2102650025 - 2⁶ = 2102649961 is a prime.

It is a super-2 number, since 2×2102650025² = 8842274255265001250, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 624296 + ... + 627654.

It is an arithmetic number, because the mean of its divisors is an integer number (64232000).

Almost surely, 2^2102650025 is an apocalyptic number.

2102650025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2102650025 is a deficient number, since it is larger than the sum of its proper divisors (980485975).

2102650025 is an equidigital number, since it uses as much as digits as its factorization.

2102650025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463 (or 3444 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2102650025 is about 45854.6619767282. The cubic root of 2102650025 is about 1281.1175999614.

The spelling of 2102650025 in words is "two billion, one hundred two million, six hundred fifty thousand, twenty-five".