235252631 has 2 divisors, whose sum is σ = 235252632. Its totient is φ = 235252630.

The previous prime is 235252609. The next prime is 235252639. The reversal of 235252631 is 136252532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235252631 - 2¹⁰ = 235251607 is a prime.

It is a super-2 number, since 2×235252631² = 110687600784844322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 235252594 and 235252603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235252639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117626315 + 117626316.

It is an arithmetic number, because the mean of its divisors is an integer number (117626316).

Almost surely, 2^235252631 is an apocalyptic number.

235252631 is a deficient number, since it is larger than the sum of its proper divisors (1).

235252631 is an equidigital number, since it uses as much as digits as its factorization.

235252631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 235252631 is about 15337.9474180869. The cubic root of 235252631 is about 617.3216330433.

Subtracting from 235252631 its reverse (136252532), we obtain a palindrome (99000099).

The spelling of 235252631 in words is "two hundred thirty-five million, two hundred fifty-two thousand, six hundred thirty-one".