34621261 has 4 divisors (see below), whose sum is σ = 35465724. Its totient is φ = 33776800.

The previous prime is 34621247. The next prime is 34621277. The reversal of 34621261 is 16212643.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17556100 + 17065161 = 4190^2 + 4131^2 .

It is a cyclic number.

It is not a de Polignac number, because 34621261 - 2¹³ = 34613069 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 (34621361) 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, 422170 + ... + 422251.

It is an arithmetic number, because the mean of its divisors is an integer number (8866431).

Almost surely, 2^34621261 is an apocalyptic number.

It is an amenable number.

34621261 is a deficient number, since it is larger than the sum of its proper divisors (844463).

34621261 is an equidigital number, since it uses as much as digits as its factorization.

34621261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844462.

The product of its digits is 1728, while the sum is 25.

The square root of 34621261 is about 5883.9834296164. The cubic root of 34621261 is about 325.9224632742.

It can be divided in two parts, 3 and 4621261, that added together give a palindrome (4621264).

The spelling of 34621261 in words is "thirty-four million, six hundred twenty-one thousand, two hundred sixty-one".