34355257 has 2 divisors, whose sum is σ = 34355258. Its totient is φ = 34355256.

The previous prime is 34355207. The next prime is 34355263. The reversal of 34355257 is 75255343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33454656 + 900601 = 5784^2 + 949^2 .

It is an emirp because it is prime and its reverse (75255343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34355257 - 2¹⁵ = 34322489 is a prime.

It is not a weakly prime, because it can be changed into another prime (34355207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17177628 + 17177629.

It is an arithmetic number, because the mean of its divisors is an integer number (17177629).

Almost surely, 2^34355257 is an apocalyptic number.

It is an amenable number.

34355257 is a deficient number, since it is larger than the sum of its proper divisors (1).

34355257 is an equidigital number, since it uses as much as digits as its factorization.

34355257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 34.

The square root of 34355257 is about 5861.3357692594. The cubic root of 34355257 is about 325.0856011203.

The spelling of 34355257 in words is "thirty-four million, three hundred fifty-five thousand, two hundred fifty-seven".