253413402 has 64 divisors (see below), whose sum is σ = 581575680. Its totient is φ = 72864000.

The previous prime is 253413401. The next prime is 253413403. The reversal of 253413402 is 204314352.

It is an interprime number because it is at equal distance from previous prime (253413401) and next prime (253413403).

It is not an unprimeable number, because it can be changed into a prime (253413401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210402 + ... + 211602.

It is an arithmetic number, because the mean of its divisors is an integer number (9087120).

Almost surely, 2^253413402 is an apocalyptic number.

253413402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 253413402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290787840).

253413402 is an abundant number, since it is smaller than the sum of its proper divisors (328162278).

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

253413402 is a wasteful number, since it uses less digits than its factorization.

253413402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 253413402 is about 15918.9635969180. The cubic root of 253413402 is about 632.8146524018.

Adding to 253413402 its reverse (204314352), we get a palindrome (457727754).

The spelling of 253413402 in words is "two hundred fifty-three million, four hundred thirteen thousand, four hundred two".