253135970 has 16 divisors (see below), whose sum is σ = 463115448. Its totient is φ = 99594240.

The previous prime is 253135957. The next prime is 253135991. The reversal of 253135970 is 79531352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 200703889 + 52432081 = 14167^2 + 7241^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 253135970.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 206879 + ... + 208098.

Almost surely, 2^253135970 is an apocalyptic number.

253135970 is a deficient number, since it is larger than the sum of its proper divisors (209979478).

253135970 is a wasteful number, since it uses less digits than its factorization.

253135970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415045.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 253135970 is about 15910.2473268017. The cubic root of 253135970 is about 632.5836370728.

The spelling of 253135970 in words is "two hundred fifty-three million, one hundred thirty-five thousand, nine hundred seventy".