2429261 has 4 divisors (see below), whose sum is σ = 2444892. Its totient is φ = 2413632.

The previous prime is 2429257. The next prime is 2429267. The reversal of 2429261 is 1629242.

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 866761 + 1562500 = 931^2 + 1250^2 .

It is a cyclic number.

It is not a de Polignac number, because 2429261 - 2² = 2429257 is a prime.

It is a super-2 number, since 2×2429261² = 11802618012242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2429261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2429267) 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, 7580 + ... + 7893.

It is an arithmetic number, because the mean of its divisors is an integer number (611223).

2^2429261 is an apocalyptic number.

It is an amenable number.

2429261 is a deficient number, since it is larger than the sum of its proper divisors (15631).

2429261 is a wasteful number, since it uses less digits than its factorization.

2429261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15630.

The product of its digits is 1728, while the sum is 26.

The square root of 2429261 is about 1558.6086744273. The cubic root of 2429261 is about 134.4285123807.

The spelling of 2429261 in words is "two million, four hundred twenty-nine thousand, two hundred sixty-one".