213162015 has 32 divisors (see below), whose sum is σ = 375777792. Its totient is φ = 102320000.

The previous prime is 213161989. The next prime is 213162023. The reversal of 213162015 is 510261312.

213162015 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 213162015 - 2⁹ = 213161503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213161982 and 213162000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10270 + ... + 23060.

It is an arithmetic number, because the mean of its divisors is an integer number (11743056).

Almost surely, 2^213162015 is an apocalyptic number.

213162015 is a deficient number, since it is larger than the sum of its proper divisors (162615777).

213162015 is a wasteful number, since it uses less digits than its factorization.

213162015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12911.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 213162015 is about 14600.0690066862. The cubic root of 213162015 is about 597.3606427913.

It can be divided in two parts, 2131 and 62015, that added together give a palindrome (64146).

The spelling of 213162015 in words is "two hundred thirteen million, one hundred sixty-two thousand, fifteen".