34212257 has 4 divisors (see below), whose sum is σ = 35392020. Its totient is φ = 33032496.

The previous prime is 34212239. The next prime is 34212259. The reversal of 34212257 is 75221243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15928081 + 18284176 = 3991^2 + 4276^2 .

It is a cyclic number.

It is not a de Polignac number, because 34212257 - 2¹⁸ = 33950113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34212259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589838 + ... + 589895.

It is an arithmetic number, because the mean of its divisors is an integer number (8848005).

Almost surely, 2^34212257 is an apocalyptic number.

It is an amenable number.

34212257 is a deficient number, since it is larger than the sum of its proper divisors (1179763).

34212257 is a wasteful number, since it uses less digits than its factorization.

34212257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179762.

The product of its digits is 3360, while the sum is 26.

The square root of 34212257 is about 5849.1244643964. The cubic root of 34212257 is about 324.6339294409.

The spelling of 34212257 in words is "thirty-four million, two hundred twelve thousand, two hundred fifty-seven".