2523130665 has 16 divisors (see below), whose sum is σ = 4404010176. Its totient is φ = 1223336000.

The previous prime is 2523130661. The next prime is 2523130679. The reversal of 2523130665 is 5660313252.

It is not a de Polignac number, because 2523130665 - 2² = 2523130661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2523130661) 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 15 ways as a sum of consecutive naturals, for example, 7645686 + ... + 7646015.

It is an arithmetic number, because the mean of its divisors is an integer number (275250636).

Almost surely, 2^2523130665 is an apocalyptic number.

It is an amenable number.

2523130665 is a deficient number, since it is larger than the sum of its proper divisors (1880879511).

2523130665 is a wasteful number, since it uses less digits than its factorization.

2523130665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15291720.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 2523130665 is about 50230.7740832251. The cubic root of 2523130665 is about 1361.3817173190.

The spelling of 2523130665 in words is "two billion, five hundred twenty-three million, one hundred thirty thousand, six hundred sixty-five".