214588631 has 2 divisors, whose sum is σ = 214588632. Its totient is φ = 214588630.

The previous prime is 214588609. The next prime is 214588639. The reversal of 214588631 is 136885412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214588631 - 2¹⁸ = 214326487 is a prime.

It is a super-2 number, since 2×214588631² = 92096561108908322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214588639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107294315 + 107294316.

It is an arithmetic number, because the mean of its divisors is an integer number (107294316).

Almost surely, 2^214588631 is an apocalyptic number.

214588631 is a deficient number, since it is larger than the sum of its proper divisors (1).

214588631 is an equidigital number, since it uses as much as digits as its factorization.

214588631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 38.

The square root of 214588631 is about 14648.8440158260. The cubic root of 214588631 is about 598.6903201631.

The spelling of 214588631 in words is "two hundred fourteen million, five hundred eighty-eight thousand, six hundred thirty-one".