253620231 has 8 divisors (see below), whose sum is σ = 339068400. Its totient is φ = 168626112.

The previous prime is 253620209. The next prime is 253620233. The reversal of 253620231 is 132026352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253620231 - 2¹⁵ = 253587463 is a prime.

It is a super-2 number, since 2×253620231² = 128646443144986722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253620233) 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, 112206 + ... + 114443.

It is an arithmetic number, because the mean of its divisors is an integer number (42383550).

Almost surely, 2^253620231 is an apocalyptic number.

253620231 is a deficient number, since it is larger than the sum of its proper divisors (85448169).

253620231 is a wasteful number, since it uses less digits than its factorization.

253620231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227025.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 253620231 is about 15925.4585805245. The cubic root of 253620231 is about 632.9867675159.

Adding to 253620231 its reverse (132026352), we get a palindrome (385646583).

The spelling of 253620231 in words is "two hundred fifty-three million, six hundred twenty thousand, two hundred thirty-one".