102516213 has 4 divisors (see below), whose sum is σ = 136688288. Its totient is φ = 68344140.

The previous prime is 102516187. The next prime is 102516223. The reversal of 102516213 is 312615201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102516213 - 2⁶ = 102516149 is a prime.

It is a super-2 number, since 2×102516213² = 21019147855722738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102516213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102516223) 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, 17086033 + ... + 17086038.

It is an arithmetic number, because the mean of its divisors is an integer number (34172072).

Almost surely, 2^102516213 is an apocalyptic number.

It is an amenable number.

102516213 is a deficient number, since it is larger than the sum of its proper divisors (34172075).

102516213 is an equidigital number, since it uses as much as digits as its factorization.

102516213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34172074.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 102516213 is about 10125.0290369954. The cubic root of 102516213 is about 468.0197549919.

The spelling of 102516213 in words is "one hundred two million, five hundred sixteen thousand, two hundred thirteen".