213425790 has 32 divisors (see below), whose sum is σ = 529886880. Its totient is φ = 54950784.

The previous prime is 213425789. The next prime is 213425831. The reversal of 213425790 is 97524312.

It is a congruent number.

It is an unprimeable number.

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, 121789 + ... + 123528.

It is an arithmetic number, because the mean of its divisors is an integer number (16558965).

Almost surely, 2^213425790 is an apocalyptic number.

213425790 is an abundant number, since it is smaller than the sum of its proper divisors (316461090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213425790 is a wasteful number, since it uses less digits than its factorization.

213425790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245356.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 213425790 is about 14609.0995615746. The cubic root of 213425790 is about 597.6069403540.

The spelling of 213425790 in words is "two hundred thirteen million, four hundred twenty-five thousand, seven hundred ninety".