213414997 has 2 divisors, whose sum is σ = 213414998. Its totient is φ = 213414996.

The previous prime is 213414983. The next prime is 213415051. The reversal of 213414997 is 799414312.

213414997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185123236 + 28291761 = 13606^2 + 5319^2 .

It is a cyclic number.

It is not a de Polignac number, because 213414997 - 2⁷ = 213414869 is a prime.

It is equal to p_11779618 and since 213414997 and 11779618 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213414917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106707498 + 106707499.

It is an arithmetic number, because the mean of its divisors is an integer number (106707499).

Almost surely, 2^213414997 is an apocalyptic number.

It is an amenable number.

213414997 is a deficient number, since it is larger than the sum of its proper divisors (1).

213414997 is an equidigital number, since it uses as much as digits as its factorization.

213414997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 213414997 is about 14608.7301638438. The cubic root of 213414997 is about 597.5968664693.

The spelling of 213414997 in words is "two hundred thirteen million, four hundred fourteen thousand, nine hundred ninety-seven".