16251413 has 2 divisors, whose sum is σ = 16251414. Its totient is φ = 16251412.

The previous prime is 16251407. The next prime is 16251419. The reversal of 16251413 is 31415261.

It is a balanced prime because it is at equal distance from previous prime (16251407) and next prime (16251419).

It can be written as a sum of positive squares in only one way, i.e., 16056049 + 195364 = 4007^2 + 442^2 .

It is an emirp because it is prime and its reverse (31415261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16251413 - 2¹⁴ = 16235029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16251419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8125706 + 8125707.

It is an arithmetic number, because the mean of its divisors is an integer number (8125707).

Almost surely, 2^16251413 is an apocalyptic number.

It is an amenable number.

16251413 is a deficient number, since it is larger than the sum of its proper divisors (1).

16251413 is an equidigital number, since it uses as much as digits as its factorization.

16251413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 16251413 is about 4031.3041314195. The cubic root of 16251413 is about 253.2971922512.

Adding to 16251413 its reverse (31415261), we get a palindrome (47666674).

The spelling of 16251413 in words is "sixteen million, two hundred fifty-one thousand, four hundred thirteen".