213426125 has 16 divisors (see below), whose sum is σ = 290571840. Its totient is φ = 155218000.

The previous prime is 213426119. The next prime is 213426127. The reversal of 213426125 is 521624312.

It is a happy number.

It is not a de Polignac number, because 213426125 - 2²⁴ = 196648909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213426094 and 213426103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213426127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76235 + ... + 78984.

It is an arithmetic number, because the mean of its divisors is an integer number (18160740).

Almost surely, 2^213426125 is an apocalyptic number.

213426125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213426125 is a deficient number, since it is larger than the sum of its proper divisors (77145715).

213426125 is a wasteful number, since it uses less digits than its factorization.

213426125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155245 (or 155235 counting only the distinct ones).

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

The square root of 213426125 is about 14609.1110270269. Note that the first 3 decimals coincide. The cubic root of 213426125 is about 597.6072530283.

The spelling of 213426125 in words is "two hundred thirteen million, four hundred twenty-six thousand, one hundred twenty-five".