34805149 has 2 divisors, whose sum is σ = 34805150. Its totient is φ = 34805148.

The previous prime is 34805143. The next prime is 34805201. The reversal of 34805149 is 94150843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28836900 + 5968249 = 5370^2 + 2443^2 .

It is a cyclic number.

It is not a de Polignac number, because 34805149 - 2⁷ = 34805021 is a prime.

It is a super-2 number, since 2×34805149² = 2422796793824402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34805143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17402574 + 17402575.

It is an arithmetic number, because the mean of its divisors is an integer number (17402575).

Almost surely, 2^34805149 is an apocalyptic number.

It is an amenable number.

34805149 is a deficient number, since it is larger than the sum of its proper divisors (1).

34805149 is an equidigital number, since it uses as much as digits as its factorization.

34805149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 34805149 is about 5899.5888839817. The cubic root of 34805149 is about 326.4984814978.

It can be divided in two parts, 348051 and 49, that added together give a square (348100 = 590²).

The spelling of 34805149 in words is "thirty-four million, eight hundred five thousand, one hundred forty-nine".