213652613 has 2 divisors, whose sum is σ = 213652614. Its totient is φ = 213652612.

The previous prime is 213652601. The next prime is 213652633. The reversal of 213652613 is 316256312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207417604 + 6235009 = 14402^2 + 2497^2 .

It is a cyclic number.

It is not a de Polignac number, because 213652613 - 2¹⁰ = 213651589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213652633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106826306 + 106826307.

It is an arithmetic number, because the mean of its divisors is an integer number (106826307).

Almost surely, 2^213652613 is an apocalyptic number.

It is an amenable number.

213652613 is a deficient number, since it is larger than the sum of its proper divisors (1).

213652613 is an equidigital number, since it uses as much as digits as its factorization.

213652613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 213652613 is about 14616.8605726401. The cubic root of 213652613 is about 597.8185720839.

The spelling of 213652613 in words is "two hundred thirteen million, six hundred fifty-two thousand, six hundred thirteen".