34821513 has 6 divisors (see below), whose sum is σ = 50297754. Its totient is φ = 23214336.

The previous prime is 34821497. The next prime is 34821533. The reversal of 34821513 is 31512843.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33315984 + 1505529 = 5772^2 + 1227^2 .

It is not a de Polignac number, because 34821513 - 2⁴ = 34821497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34821533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1934520 + ... + 1934537.

It is an arithmetic number, because the mean of its divisors is an integer number (8382959).

Almost surely, 2^34821513 is an apocalyptic number.

It is an amenable number.

34821513 is a deficient number, since it is larger than the sum of its proper divisors (15476241).

34821513 is a wasteful number, since it uses less digits than its factorization.

34821513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869063 (or 3869060 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 34821513 is about 5900.9755973059. The cubic root of 34821513 is about 326.5496423576.

The spelling of 34821513 in words is "thirty-four million, eight hundred twenty-one thousand, five hundred thirteen".