102053513 has 4 divisors (see below), whose sum is σ = 102249168. Its totient is φ = 101857860.

The previous prime is 102053509. The next prime is 102053537. The reversal of 102053513 is 315350201.

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 a cyclic number.

It is not a de Polignac number, because 102053513 - 2² = 102053509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102053713) 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, 97043 + ... + 98088.

It is an arithmetic number, because the mean of its divisors is an integer number (25562292).

Almost surely, 2^102053513 is an apocalyptic number.

It is an amenable number.

102053513 is a deficient number, since it is larger than the sum of its proper divisors (195655).

102053513 is an equidigital number, since it uses as much as digits as its factorization.

102053513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195654.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 102053513 is about 10102.1538792477. The cubic root of 102053513 is about 467.3145678077.

The spelling of 102053513 in words is "one hundred two million, fifty-three thousand, five hundred thirteen".