2501385896 has 8 divisors (see below), whose sum is σ = 4690098570. Its totient is φ = 1250692944.

The previous prime is 2501385893. The next prime is 2501385911. The reversal of 2501385896 is 6985831052.

It can be written as a sum of positive squares in only one way, i.e., 1636202500 + 865183396 = 40450^2 + 29414^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2501385896.

It is not an unprimeable number, because it can be changed into a prime (2501385893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156336611 + ... + 156336626.

Almost surely, 2^2501385896 is an apocalyptic number.

It is an amenable number.

2501385896 is a deficient number, since it is larger than the sum of its proper divisors (2188712674).

2501385896 is a wasteful number, since it uses less digits than its factorization.

2501385896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312673243 (or 312673239 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 2501385896 is about 50013.8570398245. The cubic root of 2501385896 is about 1357.4595553364.

Subtracting 2501385896 from its reverse (6985831052), we obtain a square (4484445156 = 66966²).

The spelling of 2501385896 in words is "two billion, five hundred one million, three hundred eighty-five thousand, eight hundred ninety-six".