253970 has 16 divisors (see below), whose sum is σ = 463320. Its totient is φ = 100224.

The previous prime is 253969. The next prime is 253987. The reversal of 253970 is 79352.

253970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 190969 + 63001 = 437^2 + 251^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974 + ... + 1206.

2²⁵³⁹⁷⁰ is an apocalyptic number.

253970 is a deficient number, since it is larger than the sum of its proper divisors (209350).

253970 is a wasteful number, since it uses less digits than its factorization.

253970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 253970 is about 503.9543630132. The cubic root of 253970 is about 63.3277618983.

The spelling of 253970 in words is "two hundred fifty-three thousand, nine hundred seventy".