102520053 has 16 divisors (see below), whose sum is σ = 152121600. Its totient is φ = 68238720.

The previous prime is 102520027. The next prime is 102520063. The reversal of 102520053 is 350025201.

It is a happy number.

It is not a de Polignac number, because 102520053 - 2⁵ = 102520021 is a prime.

It is a super-2 number, since 2×102520053² = 21020722534245618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102520063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16773 + ... + 22053.

It is an arithmetic number, because the mean of its divisors is an integer number (9507600).

Almost surely, 2^102520053 is an apocalyptic number.

It is an amenable number.

102520053 is a deficient number, since it is larger than the sum of its proper divisors (49601547).

102520053 is an equidigital number, since it uses as much as digits as its factorization.

102520053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009 (or 6003 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 102520053 is about 10125.2186643055. The cubic root of 102520053 is about 468.0255985340.

Adding to 102520053 its reverse (350025201), we get a palindrome (452545254).

The spelling of 102520053 in words is "one hundred two million, five hundred twenty thousand, fifty-three".