2818537425 has 96 divisors (see below), whose sum is σ = 5946048000. Its totient is φ = 1294574400.

The previous prime is 2818537399. The next prime is 2818537427. The reversal of 2818537425 is 5247358182.

It is not a de Polignac number, because 2818537425 - 2¹⁵ = 2818504657 is a prime.

It is a super-2 number, since 2×2818537425² = 15888306432251261250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2818537427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 131086 + ... + 151064.

It is an arithmetic number, because the mean of its divisors is an integer number (61938000).

Almost surely, 2^2818537425 is an apocalyptic number.

2818537425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2818537425 is an abundant number, since it is smaller than the sum of its proper divisors (3127510575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2818537425 is a wasteful number, since it uses less digits than its factorization.

2818537425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20028 (or 20017 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 2818537425 is about 53089.8994630805. The cubic root of 2818537425 is about 1412.5633542471.

The spelling of 2818537425 in words is "two billion, eight hundred eighteen million, five hundred thirty-seven thousand, four hundred twenty-five".