102530615 has 16 divisors (see below), whose sum is σ = 134627616. Its totient is φ = 74342400.

The previous prime is 102530591. The next prime is 102530639. The reversal of 102530615 is 516035201.

It is an interprime number because it is at equal distance from previous prime (102530591) and next prime (102530639).

It is not a de Polignac number, because 102530615 - 2⁶ = 102530551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16775 + ... + 22055.

It is an arithmetic number, because the mean of its divisors is an integer number (8414226).

Almost surely, 2^102530615 is an apocalyptic number.

102530615 is a deficient number, since it is larger than the sum of its proper divisors (32097001).

102530615 is a wasteful number, since it uses less digits than its factorization.

102530615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 102530615 is about 10125.7402198555. The cubic root of 102530615 is about 468.0416705657.

Adding to 102530615 its reverse (516035201), we get a palindrome (618565816).

The spelling of 102530615 in words is "one hundred two million, five hundred thirty thousand, six hundred fifteen".