2504744257 has 8 divisors (see below), whose sum is σ = 2562336000. Its totient is φ = 2447331744.

The previous prime is 2504744237. The next prime is 2504744261. The reversal of 2504744257 is 7524474052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2504744257 - 2²³ = 2496355649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2504744237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16332 + ... + 72637.

It is an arithmetic number, because the mean of its divisors is an integer number (320292000).

Almost surely, 2^2504744257 is an apocalyptic number.

It is an amenable number.

2504744257 is a deficient number, since it is larger than the sum of its proper divisors (57591743).

2504744257 is an equidigital number, since it uses as much as digits as its factorization.

2504744257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89615.

The product of its (nonzero) digits is 313600, while the sum is 40.

The square root of 2504744257 is about 50047.4200833569. The cubic root of 2504744257 is about 1358.0667921119.

The spelling of 2504744257 in words is "two billion, five hundred four million, seven hundred forty-four thousand, two hundred fifty-seven".