34981357 has 2 divisors, whose sum is σ = 34981358. Its totient is φ = 34981356.

The previous prime is 34981333. The next prime is 34981369. The reversal of 34981357 is 75318943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34503876 + 477481 = 5874^2 + 691^2 .

It is a cyclic number.

It is not a de Polignac number, because 34981357 - 2¹¹ = 34979309 is a prime.

It is a super-2 number, since 2×34981357² = 2447390675122898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34981957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17490678 + 17490679.

It is an arithmetic number, because the mean of its divisors is an integer number (17490679).

Almost surely, 2^34981357 is an apocalyptic number.

It is an amenable number.

34981357 is a deficient number, since it is larger than the sum of its proper divisors (1).

34981357 is an equidigital number, since it uses as much as digits as its factorization.

34981357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 34981357 is about 5914.5039521502. The cubic root of 34981357 is about 327.0485421427.

The spelling of 34981357 in words is "thirty-four million, nine hundred eighty-one thousand, three hundred fifty-seven".