15340469 has 2 divisors, whose sum is σ = 15340470. Its totient is φ = 15340468.

The previous prime is 15340421. The next prime is 15340489. The reversal of 15340469 is 96404351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15311569 + 28900 = 3913^2 + 170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15340469 is a prime.

It is a super-2 number, since 2×15340469² = 470659978279922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15340489) 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, 7670234 + 7670235.

It is an arithmetic number, because the mean of its divisors is an integer number (7670235).

Almost surely, 2^15340469 is an apocalyptic number.

It is an amenable number.

15340469 is a deficient number, since it is larger than the sum of its proper divisors (1).

15340469 is an equidigital number, since it uses as much as digits as its factorization.

15340469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 15340469 is about 3916.6910779381. The cubic root of 15340469 is about 248.4731957913.

The spelling of 15340469 in words is "fifteen million, three hundred forty thousand, four hundred sixty-nine".