16252631 has 2 divisors, whose sum is σ = 16252632. Its totient is φ = 16252630.

The previous prime is 16252603. The next prime is 16252637. The reversal of 16252631 is 13625261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16252631 - 2¹⁴ = 16236247 is a prime.

It is a super-2 number, since 2×16252631² = 528296028844322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16252631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16252637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8126315 + 8126316.

It is an arithmetic number, because the mean of its divisors is an integer number (8126316).

Almost surely, 2^16252631 is an apocalyptic number.

16252631 is a deficient number, since it is larger than the sum of its proper divisors (1).

16252631 is an equidigital number, since it uses as much as digits as its factorization.

16252631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 16252631 is about 4031.4551963280. The cubic root of 16252631 is about 253.3035200758.

Adding to 16252631 its reverse (13625261), we get a palindrome (29877892).

The spelling of 16252631 in words is "sixteen million, two hundred fifty-two thousand, six hundred thirty-one".