214923451 has 2 divisors, whose sum is σ = 214923452. Its totient is φ = 214923450.

The previous prime is 214923413. The next prime is 214923473. The reversal of 214923451 is 154329412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214923451 - 2²³ = 206534843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (214923251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107461725 + 107461726.

It is an arithmetic number, because the mean of its divisors is an integer number (107461726).

Almost surely, 2^214923451 is an apocalyptic number.

214923451 is a deficient number, since it is larger than the sum of its proper divisors (1).

214923451 is an equidigital number, since it uses as much as digits as its factorization.

214923451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 214923451 is about 14660.2677669953. The cubic root of 214923451 is about 599.0015347372.

It can be divided in two parts, 2149 and 23451, that added together give a square (25600 = 160²).

The spelling of 214923451 in words is "two hundred fourteen million, nine hundred twenty-three thousand, four hundred fifty-one".