34257121 has 2 divisors, whose sum is σ = 34257122. Its totient is φ = 34257120.

The previous prime is 34257109. The next prime is 34257131. The reversal of 34257121 is 12175243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33177600 + 1079521 = 5760^2 + 1039^2 .

It is a cyclic number.

It is not a de Polignac number, because 34257121 - 2⁵ = 34257089 is a prime.

It is not a weakly prime, because it can be changed into another prime (34257101) 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 as a sum of consecutive naturals, namely, 17128560 + 17128561.

It is an arithmetic number, because the mean of its divisors is an integer number (17128561).

Almost surely, 2^34257121 is an apocalyptic number.

It is an amenable number.

34257121 is a deficient number, since it is larger than the sum of its proper divisors (1).

34257121 is an equidigital number, since it uses as much as digits as its factorization.

34257121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 34257121 is about 5852.9583118283. The cubic root of 34257121 is about 324.7757695905.

The spelling of 34257121 in words is "thirty-four million, two hundred fifty-seven thousand, one hundred twenty-one".