213515452 has 12 divisors (see below), whose sum is σ = 374398416. Its totient is φ = 106544480.

The previous prime is 213515443. The next prime is 213515453. The reversal of 213515452 is 254515312.

It is a self number, because there is not a number n which added to its sum of digits gives 213515452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213515453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51049 + ... + 55072.

It is an arithmetic number, because the mean of its divisors is an integer number (31199868).

Almost surely, 2^213515452 is an apocalyptic number.

It is an amenable number.

213515452 is a deficient number, since it is larger than the sum of its proper divisors (160882964).

213515452 is a wasteful number, since it uses less digits than its factorization.

213515452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106628 (or 106626 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 213515452 is about 14612.1679431904. The cubic root of 213515452 is about 597.6906152335.

The spelling of 213515452 in words is "two hundred thirteen million, five hundred fifteen thousand, four hundred fifty-two".