34579021 has 2 divisors, whose sum is σ = 34579022. Its totient is φ = 34579020.

The previous prime is 34579001. The next prime is 34579063. The reversal of 34579021 is 12097543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22944100 + 11634921 = 4790^2 + 3411^2 .

It is an emirp because it is prime and its reverse (12097543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34579021 - 2¹⁷ = 34447949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34579001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17289510 + 17289511.

It is an arithmetic number, because the mean of its divisors is an integer number (17289511).

Almost surely, 2^34579021 is an apocalyptic number.

It is an amenable number.

34579021 is a deficient number, since it is larger than the sum of its proper divisors (1).

34579021 is an equidigital number, since it uses as much as digits as its factorization.

34579021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 34579021 is about 5880.3929290482. The cubic root of 34579021 is about 325.7898610611.

The spelling of 34579021 in words is "thirty-four million, five hundred seventy-nine thousand, twenty-one".