11432569 has 2 divisors, whose sum is σ = 11432570. Its totient is φ = 11432568.

The previous prime is 11432557. The next prime is 11432573. The reversal of 11432569 is 96523411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 3564544 = 2805^2 + 1888^2 .

It is a cyclic number.

It is not a de Polignac number, because 11432569 - 2⁷ = 11432441 is a prime.

It is a super-2 number, since 2×11432569² = 261407267879522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11432569.

It is not a weakly prime, because it can be changed into another prime (11432579) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5716284 + 5716285.

It is an arithmetic number, because the mean of its divisors is an integer number (5716285).

Almost surely, 2^11432569 is an apocalyptic number.

It is an amenable number.

11432569 is a deficient number, since it is larger than the sum of its proper divisors (1).

11432569 is an equidigital number, since it uses as much as digits as its factorization.

11432569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 11432569 is about 3381.2082160080. The cubic root of 11432569 is about 225.2758361892.

The spelling of 11432569 in words is "eleven million, four hundred thirty-two thousand, five hundred sixty-nine".