213151025 has 24 divisors (see below), whose sum is σ = 280026720. Its totient is φ = 160496640.

The previous prime is 213150997. The next prime is 213151033. The reversal of 213151025 is 520151312.

It is a happy number.

213151025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213151025 - 2⁶ = 213150961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213150988 and 213151006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76049 + ... + 78801.

It is an arithmetic number, because the mean of its divisors is an integer number (11667780).

Almost surely, 2^213151025 is an apocalyptic number.

213151025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213151025 is a deficient number, since it is larger than the sum of its proper divisors (66875695).

213151025 is a wasteful number, since it uses less digits than its factorization.

213151025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945 (or 2940 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 213151025 is about 14599.6926337509. The cubic root of 213151025 is about 597.3503765684.

The spelling of 213151025 in words is "two hundred thirteen million, one hundred fifty-one thousand, twenty-five".