253398535 has 24 divisors (see below), whose sum is σ = 345643200. Its totient is φ = 177259968.

The previous prime is 253398499. The next prime is 253398547. The reversal of 253398535 is 535893352.

253398535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253398535 - 2⁷ = 253398407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253398491 and 253398500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18066 + ... + 28864.

It is an arithmetic number, because the mean of its divisors is an integer number (14401800).

Almost surely, 2^253398535 is an apocalyptic number.

253398535 is a deficient number, since it is larger than the sum of its proper divisors (92244665).

253398535 is a wasteful number, since it uses less digits than its factorization.

253398535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10855 (or 10836 counting only the distinct ones).

The product of its digits is 486000, while the sum is 43.

The square root of 253398535 is about 15918.4966312777. The cubic root of 253398535 is about 632.8022770507.

The spelling of 253398535 in words is "two hundred fifty-three million, three hundred ninety-eight thousand, five hundred thirty-five".