15676481 has 2 divisors, whose sum is σ = 15676482. Its totient is φ = 15676480.

The previous prime is 15676433. The next prime is 15676511. The reversal of 15676481 is 18467651.

15676481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15523600 + 152881 = 3940^2 + 391^2 .

It is a cyclic number.

It is not a de Polignac number, because 15676481 - 2¹⁴ = 15660097 is a prime.

It is a super-2 number, since 2×15676481² = 491504113086722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15676081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7838240 + 7838241.

It is an arithmetic number, because the mean of its divisors is an integer number (7838241).

Almost surely, 2^15676481 is an apocalyptic number.

It is an amenable number.

15676481 is a deficient number, since it is larger than the sum of its proper divisors (1).

15676481 is an equidigital number, since it uses as much as digits as its factorization.

15676481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 15676481 is about 3959.3536088609. The cubic root of 15676481 is about 250.2742643396.

The spelling of 15676481 in words is "fifteen million, six hundred seventy-six thousand, four hundred eighty-one".