11457285 has 32 divisors (see below), whose sum is σ = 22056960. Its totient is φ = 4961088.

The previous prime is 11457283. The next prime is 11457287. The reversal of 11457285 is 58275411.

11457285 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11457283) and next prime (11457287).

It is not a de Polignac number, because 11457285 - 2¹ = 11457283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11457283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877 + ... + 4866.

It is an arithmetic number, because the mean of its divisors is an integer number (689280).

Almost surely, 2^11457285 is an apocalyptic number.

11457285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11457285 is a deficient number, since it is larger than the sum of its proper divisors (10599675).

11457285 is a wasteful number, since it uses less digits than its factorization.

11457285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777.

The product of its digits is 11200, while the sum is 33.

The square root of 11457285 is about 3384.8611492940. The cubic root of 11457285 is about 225.4380601525.

The spelling of 11457285 in words is "eleven million, four hundred fifty-seven thousand, two hundred eighty-five".