2406361261 has 4 divisors (see below), whose sum is σ = 2419804800. Its totient is φ = 2392917724.

The previous prime is 2406361253. The next prime is 2406361277. The reversal of 2406361261 is 1621636042.

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 2406361261 - 2³ = 2406361253 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 (2406361231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6721501 + ... + 6721858.

It is an arithmetic number, because the mean of its divisors is an integer number (604951200).

Almost surely, 2^2406361261 is an apocalyptic number.

It is an amenable number.

2406361261 is a deficient number, since it is larger than the sum of its proper divisors (13443539).

2406361261 is a wasteful number, since it uses less digits than its factorization.

2406361261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13443538.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2406361261 is about 49054.6762398856. The cubic root of 2406361261 is about 1340.0477559649.

The spelling of 2406361261 in words is "two billion, four hundred six million, three hundred sixty-one thousand, two hundred sixty-one".