253023835 has 12 divisors (see below), whose sum is σ = 322541568. Its totient is φ = 190510976.

The previous prime is 253023809. The next prime is 253023857. The reversal of 253023835 is 538320352.

It is not a de Polignac number, because 253023835 - 2¹¹ = 253021787 is a prime.

It is a super-2 number, since 2×253023835² = 128042122156214450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253023797 and 253023806.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86107 + ... + 88996.

It is an arithmetic number, because the mean of its divisors is an integer number (26878464).

Almost surely, 2^253023835 is an apocalyptic number.

253023835 is a deficient number, since it is larger than the sum of its proper divisors (69517733).

253023835 is a wasteful number, since it uses less digits than its factorization.

253023835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175142 (or 175125 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 253023835 is about 15906.7229497468. The cubic root of 253023835 is about 632.4902152871.

The spelling of 253023835 in words is "two hundred fifty-three million, twenty-three thousand, eight hundred thirty-five".