253378035 has 48 divisors (see below), whose sum is σ = 465703680. Its totient is φ = 127215360.

The previous prime is 253378009. The next prime is 253378039. The reversal of 253378035 is 530873352.

253378035 is a `hidden beast` number, since 253 + 378 + 0 + 35 = 666.

It is not a de Polignac number, because 253378035 - 2¹⁹ = 252853747 is a prime.

It is a super-2 number, since 2×253378035² = 128400857240922450, which contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 49161 + ... + 54069.

It is an arithmetic number, because the mean of its divisors is an integer number (9702160).

Almost surely, 2^253378035 is an apocalyptic number.

253378035 is a deficient number, since it is larger than the sum of its proper divisors (212325645).

253378035 is a wasteful number, since it uses less digits than its factorization.

253378035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988 (or 4985 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 253378035 is about 15917.8527132274. The cubic root of 253378035 is about 632.7852119737.

The spelling of 253378035 in words is "two hundred fifty-three million, three hundred seventy-eight thousand, thirty-five".