34153949 has 2 divisors, whose sum is σ = 34153950. Its totient is φ = 34153948.

The previous prime is 34153921. The next prime is 34154009. The reversal of 34153949 is 94935143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30448324 + 3705625 = 5518^2 + 1925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34153949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34153549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17076974 + 17076975.

It is an arithmetic number, because the mean of its divisors is an integer number (17076975).

Almost surely, 2^34153949 is an apocalyptic number.

It is an amenable number.

34153949 is a deficient number, since it is larger than the sum of its proper divisors (1).

34153949 is an equidigital number, since it uses as much as digits as its factorization.

34153949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 34153949 is about 5844.1380031618. The cubic root of 34153949 is about 324.4493998751.

The spelling of 34153949 in words is "thirty-four million, one hundred fifty-three thousand, nine hundred forty-nine".