253870 has 16 divisors (see below), whose sum is σ = 466560. Its totient is φ = 99424.

The previous prime is 253867. The next prime is 253871. The reversal of 253870 is 78352.

253870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253871) 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, 291 + ... + 769.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2²⁵³⁸⁷⁰ is an apocalyptic number.

253870 is a deficient number, since it is larger than the sum of its proper divisors (212690).

253870 is a wasteful number, since it uses less digits than its factorization.

253870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 253870 is about 503.8551379117. The cubic root of 253870 is about 63.3194490956.

The spelling of 253870 in words is "two hundred fifty-three thousand, eight hundred seventy".