253455131 has 4 divisors (see below), whose sum is σ = 254254992. Its totient is φ = 252655272.

The previous prime is 253455107. The next prime is 253455151. The reversal of 253455131 is 131554352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253455131 - 2²² = 249260827 is a prime.

It is a super-2 number, since 2×253455131² = 128479006860454322, 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 = 253455094 and 253455103.

It is not an unprimeable number, because it can be changed into a prime (253455151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399455 + ... + 400088.

It is an arithmetic number, because the mean of its divisors is an integer number (63563748).

Almost surely, 2^253455131 is an apocalyptic number.

253455131 is a deficient number, since it is larger than the sum of its proper divisors (799861).

253455131 is an equidigital number, since it uses as much as digits as its factorization.

253455131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799860.

The product of its digits is 9000, while the sum is 29.

The square root of 253455131 is about 15920.2742124625. The cubic root of 253455131 is about 632.8493852048.

The spelling of 253455131 in words is "two hundred fifty-three million, four hundred fifty-five thousand, one hundred thirty-one".