11257245 has 32 divisors (see below), whose sum is σ = 20355840. Its totient is φ = 5901120.

The previous prime is 11257243. The next prime is 11257313. The reversal of 11257245 is 54275211.

It is not a de Polignac number, because 11257245 - 2¹ = 11257243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11257241) 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, 7552 + ... + 8918.

It is an arithmetic number, because the mean of its divisors is an integer number (636120).

Almost surely, 2^11257245 is an apocalyptic number.

11257245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11257245 is a deficient number, since it is larger than the sum of its proper divisors (9098595).

11257245 is a wasteful number, since it uses less digits than its factorization.

11257245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1436 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 11257245 is about 3355.1818132554. The cubic root of 11257245 is about 224.1183274169.

The spelling of 11257245 in words is "eleven million, two hundred fifty-seven thousand, two hundred forty-five".