214562457 has 12 divisors (see below), whose sum is σ = 328154580. Its totient is φ = 134627328.

The previous prime is 214562449. The next prime is 214562461. The reversal of 214562457 is 754265412.

It is a happy number.

214562457 is a `hidden beast` number, since 2 + 145 + 62 + 457 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 106069401 + 108493056 = 10299^2 + 10416^2 .

It is not a de Polignac number, because 214562457 - 2³ = 214562449 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (214562407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 701032 + ... + 701337.

It is an arithmetic number, because the mean of its divisors is an integer number (27346215).

Almost surely, 2^214562457 is an apocalyptic number.

It is an amenable number.

214562457 is a deficient number, since it is larger than the sum of its proper divisors (113592123).

214562457 is a wasteful number, since it uses less digits than its factorization.

214562457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402392 (or 1402389 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 214562457 is about 14647.9506075082. The cubic root of 214562457 is about 598.6659778397.

The spelling of 214562457 in words is "two hundred fourteen million, five hundred sixty-two thousand, four hundred fifty-seven".