2504633261 has 4 divisors (see below), whose sum is σ = 2697297372. Its totient is φ = 2311969152.

The previous prime is 2504633203. The next prime is 2504633269. The reversal of 2504633261 is 1623364052.

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 1321686025 + 1182947236 = 36355^2 + 34394^2 .

It is a cyclic number.

It is not a de Polignac number, because 2504633261 - 2¹⁸ = 2504371117 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 (2504633269) 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, 96332036 + ... + 96332061.

It is an arithmetic number, because the mean of its divisors is an integer number (674324343).

Almost surely, 2^2504633261 is an apocalyptic number.

It is an amenable number.

2504633261 is a deficient number, since it is larger than the sum of its proper divisors (192664111).

2504633261 is a wasteful number, since it uses less digits than its factorization.

2504633261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192664110.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 2504633261 is about 50046.3111627620. The cubic root of 2504633261 is about 1358.0467312204.

The spelling of 2504633261 in words is "two billion, five hundred four million, six hundred thirty-three thousand, two hundred sixty-one".