34454509 has 2 divisors, whose sum is σ = 34454510. Its totient is φ = 34454508.

The previous prime is 34454489. The next prime is 34454513. The reversal of 34454509 is 90545443.

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., 20052484 + 14402025 = 4478^2 + 3795^2 .

It is a cyclic number.

It is not a de Polignac number, because 34454509 - 2⁵ = 34454477 is a prime.

It is a super-2 number, since 2×34454509² = 2374226380862162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34454579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17227254 + 17227255.

It is an arithmetic number, because the mean of its divisors is an integer number (17227255).

Almost surely, 2^34454509 is an apocalyptic number.

It is an amenable number.

34454509 is a deficient number, since it is larger than the sum of its proper divisors (1).

34454509 is an equidigital number, since it uses as much as digits as its factorization.

34454509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 34454509 is about 5869.7963337751. The cubic root of 34454509 is about 325.3983565005.

The spelling of 34454509 in words is "thirty-four million, four hundred fifty-four thousand, five hundred nine".