213565495 has 16 divisors (see below), whose sum is σ = 301083552. Its totient is φ = 143372160.

The previous prime is 213565489. The next prime is 213565537. The reversal of 213565495 is 594565312.

213565495 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 213565495 - 2⁵ = 213565463 is a prime.

It is a super-2 number, since 2×213565495² = 91220441309190050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148632 + ... + 150061.

It is an arithmetic number, because the mean of its divisors is an integer number (18817722).

Almost surely, 2^213565495 is an apocalyptic number.

213565495 is a deficient number, since it is larger than the sum of its proper divisors (87518057).

213565495 is a wasteful number, since it uses less digits than its factorization.

213565495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298722.

The product of its digits is 162000, while the sum is 40.

The square root of 213565495 is about 14613.8802171087. The cubic root of 213565495 is about 597.7373064600.

The spelling of 213565495 in words is "two hundred thirteen million, five hundred sixty-five thousand, four hundred ninety-five".