2523280731 has 8 divisors (see below), whose sum is σ = 3541446720. Its totient is φ = 1593650952.

The previous prime is 2523280699. The next prime is 2523280733. The reversal of 2523280731 is 1370823252.

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

It is not a de Polignac number, because 2523280731 - 2⁵ = 2523280699 is a prime.

It is a super-2 number, since 2×2523280731² = 12733891294871788722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2523280692 and 2523280701.

It is not an unprimeable number, because it can be changed into a prime (2523280733) 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 7 ways as a sum of consecutive naturals, for example, 22133985 + ... + 22134098.

It is an arithmetic number, because the mean of its divisors is an integer number (442680840).

Almost surely, 2^2523280731 is an apocalyptic number.

2523280731 is a deficient number, since it is larger than the sum of its proper divisors (1018165989).

2523280731 is a wasteful number, since it uses less digits than its factorization.

2523280731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44268105.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 2523280731 is about 50232.2678265674. The cubic root of 2523280731 is about 1361.4087066807.

The spelling of 2523280731 in words is "two billion, five hundred twenty-three million, two hundred eighty thousand, seven hundred thirty-one".