11451257 has 2 divisors, whose sum is σ = 11451258. Its totient is φ = 11451256.

The previous prime is 11451229. The next prime is 11451277. The reversal of 11451257 is 75215411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11363641 + 87616 = 3371^2 + 296^2 .

It is a cyclic number.

It is not a de Polignac number, because 11451257 - 2⁸ = 11451001 is a prime.

It is a super-2 number, since 2×11451257² = 262262573760098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11451227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5725628 + 5725629.

It is an arithmetic number, because the mean of its divisors is an integer number (5725629).

Almost surely, 2^11451257 is an apocalyptic number.

It is an amenable number.

11451257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11451257 is an equidigital number, since it uses as much as digits as its factorization.

11451257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1400, while the sum is 26.

The square root of 11451257 is about 3383.9705967990. The cubic root of 11451257 is about 225.3985167813.

Adding to 11451257 its reverse (75215411), we get a palindrome (86666668).

The spelling of 11451257 in words is "eleven million, four hundred fifty-one thousand, two hundred fifty-seven".