34252021 has 2 divisors, whose sum is σ = 34252022. Its totient is φ = 34252020.

The previous prime is 34252013. The next prime is 34252061. The reversal of 34252021 is 12025243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30371121 + 3880900 = 5511^2 + 1970^2 .

It is a cyclic number.

It is not a de Polignac number, because 34252021 - 2³ = 34252013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34252021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34252061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17126010 + 17126011.

It is an arithmetic number, because the mean of its divisors is an integer number (17126011).

Almost surely, 2^34252021 is an apocalyptic number.

It is an amenable number.

34252021 is a deficient number, since it is larger than the sum of its proper divisors (1).

34252021 is an equidigital number, since it uses as much as digits as its factorization.

34252021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 34252021 is about 5852.5226184954. The cubic root of 34252021 is about 324.7596518843.

Adding to 34252021 its reverse (12025243), we get a palindrome (46277264).

The spelling of 34252021 in words is "thirty-four million, two hundred fifty-two thousand, twenty-one".