102240613 has 2 divisors, whose sum is σ = 102240614. Its totient is φ = 102240612.

The previous prime is 102240599. The next prime is 102240617. The reversal of 102240613 is 316042201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75377124 + 26863489 = 8682^2 + 5183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102240613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102240617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51120306 + 51120307.

It is an arithmetic number, because the mean of its divisors is an integer number (51120307).

Almost surely, 2^102240613 is an apocalyptic number.

It is an amenable number.

102240613 is a deficient number, since it is larger than the sum of its proper divisors (1).

102240613 is an equidigital number, since it uses as much as digits as its factorization.

102240613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 102240613 is about 10111.4100401477. The cubic root of 102240613 is about 467.5999774739.

Adding to 102240613 its reverse (316042201), we get a palindrome (418282814).

The spelling of 102240613 in words is "one hundred two million, two hundred forty thousand, six hundred thirteen".