213052515 has 32 divisors (see below), whose sum is σ = 370573056. Its totient is φ = 103896960.

The previous prime is 213052459. The next prime is 213052537. The reversal of 213052515 is 515250312.

It is a happy number.

It is not a de Polignac number, because 213052515 - 2⁷ = 213052387 is a prime.

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, 15760 + ... + 25970.

It is an arithmetic number, because the mean of its divisors is an integer number (11580408).

Almost surely, 2^213052515 is an apocalyptic number.

213052515 is a deficient number, since it is larger than the sum of its proper divisors (157520541).

213052515 is a wasteful number, since it uses less digits than its factorization.

213052515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10339.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 213052515 is about 14596.3185427011. The cubic root of 213052515 is about 597.2583384573.

It can be divided in two parts, 2130 and 52515, that added together give a palindrome (54645).

The spelling of 213052515 in words is "two hundred thirteen million, fifty-two thousand, five hundred fifteen".