15239069 has 2 divisors, whose sum is σ = 15239070. Its totient is φ = 15239068.

The previous prime is 15239057. The next prime is 15239093. The reversal of 15239069 is 96093251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14212900 + 1026169 = 3770^2 + 1013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15239069 is a prime.

It is a super-2 number, since 2×15239069² = 464458447973522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15239669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7619534 + 7619535.

It is an arithmetic number, because the mean of its divisors is an integer number (7619535).

Almost surely, 2^15239069 is an apocalyptic number.

It is an amenable number.

15239069 is a deficient number, since it is larger than the sum of its proper divisors (1).

15239069 is an equidigital number, since it uses as much as digits as its factorization.

15239069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 15239069 is about 3903.7250159303. The cubic root of 15239069 is about 247.9245185220.

The spelling of 15239069 in words is "fifteen million, two hundred thirty-nine thousand, sixty-nine".