102513601 has 4 divisors (see below), whose sum is σ = 102658900. Its totient is φ = 102368304.

The previous prime is 102513589. The next prime is 102513613. The reversal of 102513601 is 106315201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (102513589) and next prime (102513613).

It can be written as a sum of positive squares in 2 ways, for example, as 14622976 + 87890625 = 3824^2 + 9375^2 .

It is a cyclic number.

It is not a de Polignac number, because 102513601 - 2¹⁷ = 102382529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102513641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71586 + ... + 73003.

It is an arithmetic number, because the mean of its divisors is an integer number (25664725).

Almost surely, 2^102513601 is an apocalyptic number.

It is an amenable number.

102513601 is a deficient number, since it is larger than the sum of its proper divisors (145299).

102513601 is an equidigital number, since it uses as much as digits as its factorization.

102513601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145298.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 102513601 is about 10124.9000488894. The cubic root of 102513601 is about 468.0157800825.

Adding to 102513601 its reverse (106315201), we get a palindrome (208828802).

The spelling of 102513601 in words is "one hundred two million, five hundred thirteen thousand, six hundred one".