15132569 has 4 divisors (see below), whose sum is σ = 15929040. Its totient is φ = 14336100.

The previous prime is 15132563. The next prime is 15132587. The reversal of 15132569 is 96523151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15132569 - 2¹² = 15128473 is a prime.

It is a super-2 number, since 2×15132569² = 457989289079522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15132563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398207 + ... + 398244.

It is an arithmetic number, because the mean of its divisors is an integer number (3982260).

Almost surely, 2^15132569 is an apocalyptic number.

15132569 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

15132569 is a deficient number, since it is larger than the sum of its proper divisors (796471).

15132569 is an equidigital number, since it uses as much as digits as its factorization.

15132569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796470.

The product of its digits is 8100, while the sum is 32.

The square root of 15132569 is about 3890.0602823093. The cubic root of 15132569 is about 247.3456181048.

The spelling of 15132569 in words is "fifteen million, one hundred thirty-two thousand, five hundred sixty-nine".