253378038 has 16 divisors (see below), whose sum is σ = 507049920. Its totient is φ = 84410376.

The previous prime is 253378009. The next prime is 253378039. The reversal of 253378038 is 830873352.

It is a junction number, because it is equal to n+sod(n) for n = 253377987 and 253378005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253378039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108 + ... + 22511.

It is an arithmetic number, because the mean of its divisors is an integer number (31690620).

Almost surely, 2^253378038 is an apocalyptic number.

253378038 is an abundant number, since it is smaller than the sum of its proper divisors (253671882).

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

253378038 is a wasteful number, since it uses less digits than its factorization.

253378038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24491.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 253378038 is about 15917.8528074612. The cubic root of 253378038 is about 632.7852144711.

The spelling of 253378038 in words is "two hundred fifty-three million, three hundred seventy-eight thousand, thirty-eight".