34274521 has 2 divisors, whose sum is σ = 34274522. Its totient is φ = 34274520.

The previous prime is 34274519. The next prime is 34274551. The reversal of 34274521 is 12547243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34105600 + 168921 = 5840^2 + 411^2 .

It is a cyclic number.

It is not a de Polignac number, because 34274521 - 2¹ = 34274519 is a prime.

Together with 34274519, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 34274521.

It is not a weakly prime, because it can be changed into another prime (34274551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17137260 + 17137261.

It is an arithmetic number, because the mean of its divisors is an integer number (17137261).

Almost surely, 2^34274521 is an apocalyptic number.

It is an amenable number.

34274521 is a deficient number, since it is larger than the sum of its proper divisors (1).

34274521 is an equidigital number, since it uses as much as digits as its factorization.

34274521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 28.

The square root of 34274521 is about 5854.4445509373. Note that the first 3 decimals coincide. The cubic root of 34274521 is about 324.8307473753.

The spelling of 34274521 in words is "thirty-four million, two hundred seventy-four thousand, five hundred twenty-one".