253210104 has 128 divisors (see below), whose sum is σ = 851212800. Its totient is φ = 68083200.

The previous prime is 253210091. The next prime is 253210117. The reversal of 253210104 is 401012352.

It is an interprime number because it is at equal distance from previous prime (253210091) and next prime (253210117).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20779 + ... + 30629.

It is an arithmetic number, because the mean of its divisors is an integer number (6650100).

Almost surely, 2^253210104 is an apocalyptic number.

253210104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253210104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425606400).

253210104 is an abundant number, since it is smaller than the sum of its proper divisors (598002696).

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

253210104 is a wasteful number, since it uses less digits than its factorization.

253210104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890 (or 9880 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 253210104 is about 15912.5769126185. The cubic root of 253210104 is about 632.6453843597.

Adding to 253210104 its reverse (401012352), we get a palindrome (654222456).

The spelling of 253210104 in words is "two hundred fifty-three million, two hundred ten thousand, one hundred four".