11457869 has 2 divisors, whose sum is σ = 11457870. Its totient is φ = 11457868.

The previous prime is 11457857. The next prime is 11457877. The reversal of 11457869 is 96875411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10048900 + 1408969 = 3170^2 + 1187^2 .

It is an emirp because it is prime and its reverse (96875411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11457869 is a prime.

It is a super-2 number, since 2×11457869² = 262565524042322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11457889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5728934 + 5728935.

It is an arithmetic number, because the mean of its divisors is an integer number (5728935).

Almost surely, 2^11457869 is an apocalyptic number.

It is an amenable number.

11457869 is a deficient number, since it is larger than the sum of its proper divisors (1).

11457869 is an equidigital number, since it uses as much as digits as its factorization.

11457869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 11457869 is about 3384.9474146580. The cubic root of 11457869 is about 225.4418904256.

The spelling of 11457869 in words is "eleven million, four hundred fifty-seven thousand, eight hundred sixty-nine".