11457725 has 6 divisors (see below), whose sum is σ = 14207610. Its totient is φ = 9166160.

The previous prime is 11457713. The next prime is 11457727. The reversal of 11457725 is 52775411.

It can be written as a sum of positive squares in 3 ways, for example, as 2630884 + 8826841 = 1622^2 + 2971^2 .

It is not a de Polignac number, because 11457725 - 2⁴ = 11457709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11457691 and 11457700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11457727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229130 + ... + 229179.

It is an arithmetic number, because the mean of its divisors is an integer number (2367935).

Almost surely, 2^11457725 is an apocalyptic number.

It is an amenable number.

11457725 is a deficient number, since it is larger than the sum of its proper divisors (2749885).

11457725 is an equidigital number, since it uses as much as digits as its factorization.

11457725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458319 (or 458314 counting only the distinct ones).

The product of its digits is 9800, while the sum is 32.

The square root of 11457725 is about 3384.9261439506. The cubic root of 11457725 is about 225.4409459868.

The spelling of 11457725 in words is "eleven million, four hundred fifty-seven thousand, seven hundred twenty-five".