15364969 has 2 divisors, whose sum is σ = 15364970. Its totient is φ = 15364968.

The previous prime is 15364963. The next prime is 15364981. The reversal of 15364969 is 96946351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14745600 + 619369 = 3840^2 + 787^2 .

It is a cyclic number.

It is not a de Polignac number, because 15364969 - 2¹⁵ = 15332201 is a prime.

It is a super-2 number, since 2×15364969² = 472164544741922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15364963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7682484 + 7682485.

It is an arithmetic number, because the mean of its divisors is an integer number (7682485).

Almost surely, 2^15364969 is an apocalyptic number.

It is an amenable number.

15364969 is a deficient number, since it is larger than the sum of its proper divisors (1).

15364969 is an equidigital number, since it uses as much as digits as its factorization.

15364969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 43.

The square root of 15364969 is about 3919.8174702402. The cubic root of 15364969 is about 248.6054028612.

The spelling of 15364969 in words is "fifteen million, three hundred sixty-four thousand, nine hundred sixty-nine".