2566250313 has 16 divisors (see below), whose sum is σ = 3733694400. Its totient is φ = 1554900480.

The previous prime is 2566250293. The next prime is 2566250347. The reversal of 2566250313 is 3130526652.

It is a de Polignac number, because none of the positive numbers 2^k-2566250313 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (2566250383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164433 + ... + 179361.

It is an arithmetic number, because the mean of its divisors is an integer number (233355900).

Almost surely, 2^2566250313 is an apocalyptic number.

It is an amenable number.

2566250313 is a deficient number, since it is larger than the sum of its proper divisors (1167444087).

2566250313 is a wasteful number, since it uses less digits than its factorization.

2566250313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20152.

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

The square root of 2566250313 is about 50658.1712362379. The cubic root of 2566250313 is about 1369.0931738424.

Adding to 2566250313 its reverse (3130526652), we get a palindrome (5696776965).

The spelling of 2566250313 in words is "two billion, five hundred sixty-six million, two hundred fifty thousand, three hundred thirteen".