34213951 has 2 divisors, whose sum is σ = 34213952. Its totient is φ = 34213950.

The previous prime is 34213943. The next prime is 34213961. The reversal of 34213951 is 15931243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34213951 - 2³ = 34213943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34213931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17106975 + 17106976.

It is an arithmetic number, because the mean of its divisors is an integer number (17106976).

Almost surely, 2^34213951 is an apocalyptic number.

34213951 is a deficient number, since it is larger than the sum of its proper divisors (1).

34213951 is an equidigital number, since it uses as much as digits as its factorization.

34213951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 34213951 is about 5849.2692706012. The cubic root of 34213951 is about 324.6392873725.

The spelling of 34213951 in words is "thirty-four million, two hundred thirteen thousand, nine hundred fifty-one".