213014457 has 12 divisors (see below), whose sum is σ = 307827520. Its totient is φ = 141945048.

The previous prime is 213014447. The next prime is 213014479. The reversal of 213014457 is 754410312.

213014457 is a `hidden beast` number, since 213 + 0 + 1 + 445 + 7 = 666.

It is not a de Polignac number, because 213014457 - 2¹⁰ = 213013433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213014457.

It is not an unprimeable number, because it can be changed into a prime (213014447) 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, 23868 + ... + 31554.

Almost surely, 2^213014457 is an apocalyptic number.

It is an amenable number.

213014457 is a deficient number, since it is larger than the sum of its proper divisors (94813063).

213014457 is a wasteful number, since it uses less digits than its factorization.

213014457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10772 (or 10769 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 213014457 is about 14595.0147995814. The cubic root of 213014457 is about 597.2227731860. Note that the first 3 decimals are identical.

Adding to 213014457 its reverse (754410312), we get a palindrome (967424769).

The spelling of 213014457 in words is "two hundred thirteen million, fourteen thousand, four hundred fifty-seven".