213762613 has 2 divisors, whose sum is σ = 213762614. Its totient is φ = 213762612.

The previous prime is 213762587. The next prime is 213762631. The reversal of 213762613 is 316267312.

Together with next prime (213762631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186950929 + 26811684 = 13673^2 + 5178^2 .

It is a cyclic number.

It is not a de Polignac number, because 213762613 - 2²⁵ = 180208181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213762013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106881306 + 106881307.

It is an arithmetic number, because the mean of its divisors is an integer number (106881307).

Almost surely, 2^213762613 is an apocalyptic number.

It is an amenable number.

213762613 is a deficient number, since it is larger than the sum of its proper divisors (1).

213762613 is an equidigital number, since it uses as much as digits as its factorization.

213762613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 213762613 is about 14620.6228663488. The cubic root of 213762613 is about 597.9211510003.

The spelling of 213762613 in words is "two hundred thirteen million, seven hundred sixty-two thousand, six hundred thirteen".