213025915 has 8 divisors (see below), whose sum is σ = 259231968. Its totient is φ = 168020160.

The previous prime is 213025907. The next prime is 213025919. The reversal of 213025915 is 519520312.

213025915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213025915 - 2³ = 213025907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213025919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299682 + ... + 300391.

It is an arithmetic number, because the mean of its divisors is an integer number (32403996).

Almost surely, 2^213025915 is an apocalyptic number.

213025915 is a deficient number, since it is larger than the sum of its proper divisors (46206053).

213025915 is an equidigital number, since it uses as much as digits as its factorization.

213025915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600149.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 213025915 is about 14595.4073255939. The cubic root of 213025915 is about 597.2334811538.

The spelling of 213025915 in words is "two hundred thirteen million, twenty-five thousand, nine hundred fifteen".