34320557 has 2 divisors, whose sum is σ = 34320558. Its totient is φ = 34320556.

The previous prime is 34320553. The next prime is 34320589. The reversal of 34320557 is 75502343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29800681 + 4519876 = 5459^2 + 2126^2 .

It is a cyclic number.

It is not a de Polignac number, because 34320557 - 2² = 34320553 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34320553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17160278 + 17160279.

It is an arithmetic number, because the mean of its divisors is an integer number (17160279).

Almost surely, 2^34320557 is an apocalyptic number.

It is an amenable number.

34320557 is a deficient number, since it is larger than the sum of its proper divisors (1).

34320557 is an equidigital number, since it uses as much as digits as its factorization.

34320557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 34320557 is about 5858.3749453240. The cubic root of 34320557 is about 324.9761150100.

The spelling of 34320557 in words is "thirty-four million, three hundred twenty thousand, five hundred fifty-seven".