102315053 has 4 divisors (see below), whose sum is σ = 102448188. Its totient is φ = 102181920.

The previous prime is 102315043. The next prime is 102315067. The reversal of 102315053 is 350513201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42994249 + 59320804 = 6557^2 + 7702^2 .

It is a cyclic number.

It is not a de Polignac number, because 102315053 - 2¹⁰ = 102314029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102315043) 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, 65408 + ... + 66953.

It is an arithmetic number, because the mean of its divisors is an integer number (25612047).

Almost surely, 2^102315053 is an apocalyptic number.

It is an amenable number.

102315053 is a deficient number, since it is larger than the sum of its proper divisors (133135).

102315053 is an equidigital number, since it uses as much as digits as its factorization.

102315053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133134.

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

The square root of 102315053 is about 10115.0903604466. The cubic root of 102315053 is about 467.7134343378.

Adding to 102315053 its reverse (350513201), we get a palindrome (452828254).

The spelling of 102315053 in words is "one hundred two million, three hundred fifteen thousand, fifty-three".