34561261 has 4 divisors (see below), whose sum is σ = 39498592. Its totient is φ = 29623932.

The previous prime is 34561253. The next prime is 34561271. The reversal of 34561261 is 16216543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34561261 - 2³ = 34561253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34561211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2468655 + ... + 2468668.

It is an arithmetic number, because the mean of its divisors is an integer number (9874648).

Almost surely, 2^34561261 is an apocalyptic number.

It is an amenable number.

34561261 is a deficient number, since it is larger than the sum of its proper divisors (4937331).

34561261 is an equidigital number, since it uses as much as digits as its factorization.

34561261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937330.

The product of its digits is 4320, while the sum is 28.

The square root of 34561261 is about 5878.8826319293. The cubic root of 34561261 is about 325.7340756106.

The spelling of 34561261 in words is "thirty-four million, five hundred sixty-one thousand, two hundred sixty-one".