34405261 has 6 divisors (see below), whose sum is σ = 37817486. Its totient is φ = 31277400.

The previous prime is 34405253. The next prime is 34405303. The reversal of 34405261 is 16250443.

It can be written as a sum of positive squares in only one way, i.e., 26842761 + 7562500 = 5181^2 + 2750^2 .

It is not a de Polignac number, because 34405261 - 2³ = 34405253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34405061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142050 + ... + 142291.

Almost surely, 2^34405261 is an apocalyptic number.

It is an amenable number.

34405261 is a deficient number, since it is larger than the sum of its proper divisors (3412225).

34405261 is a wasteful number, since it uses less digits than its factorization.

34405261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284363 (or 284352 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 34405261 is about 5865.5997988271. The cubic root of 34405261 is about 325.2432451176.

The spelling of 34405261 in words is "thirty-four million, four hundred five thousand, two hundred sixty-one".