34987913 has 2 divisors, whose sum is σ = 34987914. Its totient is φ = 34987912.

The previous prime is 34987907. The next prime is 34987937. The reversal of 34987913 is 31978943.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17707264 + 17280649 = 4208^2 + 4157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34987913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (34987973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17493956 + 17493957.

It is an arithmetic number, because the mean of its divisors is an integer number (17493957).

Almost surely, 2^34987913 is an apocalyptic number.

It is an amenable number.

34987913 is a deficient number, since it is larger than the sum of its proper divisors (1).

34987913 is an equidigital number, since it uses as much as digits as its factorization.

34987913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 34987913 is about 5915.0581569415. The cubic root of 34987913 is about 327.0689720373.

It can be divided in two parts, 3498 and 7913, that added together give a palindrome (11411).

The spelling of 34987913 in words is "thirty-four million, nine hundred eighty-seven thousand, nine hundred thirteen".