253320102 has 48 divisors (see below), whose sum is σ = 654847920. Its totient is φ = 72376416.

The previous prime is 253320079. The next prime is 253320107. The reversal of 253320102 is 201023352.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253320107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45223 + ... + 50514.

It is an arithmetic number, because the mean of its divisors is an integer number (13642665).

Almost surely, 2^253320102 is an apocalyptic number.

253320102 is an abundant number, since it is smaller than the sum of its proper divisors (401527818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253320102 is a wasteful number, since it uses less digits than its factorization.

253320102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95762 (or 95749 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 253320102 is about 15916.0328599812. The cubic root of 253320102 is about 632.7369810896.

Adding to 253320102 its reverse (201023352), we get a palindrome (454343454).

The spelling of 253320102 in words is "two hundred fifty-three million, three hundred twenty thousand, one hundred two".