16252813 has 2 divisors, whose sum is σ = 16252814. Its totient is φ = 16252812.

The previous prime is 16252807. The next prime is 16252829. The reversal of 16252813 is 31825261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8311689 + 7941124 = 2883^2 + 2818^2 .

It is a cyclic number.

It is not a de Polignac number, because 16252813 - 2⁵ = 16252781 is a prime.

It is a super-3 number, since 3×16252813³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16252883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8126406 + 8126407.

It is an arithmetic number, because the mean of its divisors is an integer number (8126407).

Almost surely, 2^16252813 is an apocalyptic number.

It is an amenable number.

16252813 is a deficient number, since it is larger than the sum of its proper divisors (1).

16252813 is an equidigital number, since it uses as much as digits as its factorization.

16252813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 16252813 is about 4031.4777687592. The cubic root of 16252813 is about 253.3044655856.

It can be divided in two parts, 162 and 52813, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 16252813 in words is "sixteen million, two hundred fifty-two thousand, eight hundred thirteen".