4309261 has 4 divisors (see below), whose sum is σ = 4701024. Its totient is φ = 3917500.

The previous prime is 4309259. The next prime is 4309267. The reversal of 4309261 is 1629034.

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 4309261 - 2¹ = 4309259 is a prime.

It is a super-2 number, since 2×4309261² = 37139460732242, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁵ + 3³ + 0 + 9⁶ + 2²¹ + 6⁸ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4309267) 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, 195865 + ... + 195886.

It is an arithmetic number, because the mean of its divisors is an integer number (1175256).

Almost surely, 2^4309261 is an apocalyptic number.

It is an amenable number.

4309261 is a deficient number, since it is larger than the sum of its proper divisors (391763).

4309261 is a wasteful number, since it uses less digits than its factorization.

4309261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391762.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 4309261 is about 2075.8759596855. The cubic root of 4309261 is about 162.7299907051.

The spelling of 4309261 in words is "four million, three hundred nine thousand, two hundred sixty-one".