34601521 has 2 divisors, whose sum is σ = 34601522. Its totient is φ = 34601520.

The previous prime is 34601519. The next prime is 34601537. The reversal of 34601521 is 12510643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18800896 + 15800625 = 4336^2 + 3975^2 .

It is a cyclic number.

It is not a de Polignac number, because 34601521 - 2¹ = 34601519 is a prime.

Together with 34601519, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 34601492 and 34601501.

It is not a weakly prime, because it can be changed into another prime (34605521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17300760 + 17300761.

It is an arithmetic number, because the mean of its divisors is an integer number (17300761).

Almost surely, 2^34601521 is an apocalyptic number.

It is an amenable number.

34601521 is a deficient number, since it is larger than the sum of its proper divisors (1).

34601521 is an equidigital number, since it uses as much as digits as its factorization.

34601521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 34601521 is about 5882.3057553990. The cubic root of 34601521 is about 325.8605077744.

The spelling of 34601521 in words is "thirty-four million, six hundred one thousand, five hundred twenty-one".