253002031 has 4 divisors (see below), whose sum is σ = 253040200. Its totient is φ = 252963864.

The previous prime is 253002023. The next prime is 253002053. The reversal of 253002031 is 130200352.

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 253002031 - 2³ = 253002023 is a prime.

It is a super-2 number, since 2×253002031² = 128020055380249922, 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 = 253001996 and 253002014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253002091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6276 + ... + 23353.

It is an arithmetic number, because the mean of its divisors is an integer number (63260050).

Almost surely, 2^253002031 is an apocalyptic number.

253002031 is a deficient number, since it is larger than the sum of its proper divisors (38169).

253002031 is an equidigital number, since it uses as much as digits as its factorization.

253002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38168.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 253002031 is about 15906.0375643967. The cubic root of 253002031 is about 632.4720467579.

Adding to 253002031 its reverse (130200352), we get a palindrome (383202383).

The spelling of 253002031 in words is "two hundred fifty-three million, two thousand, thirty-one".