2501263900 has 36 divisors (see below), whose sum is σ = 5431168008. Its totient is φ = 999874240.

The previous prime is 2501263879. The next prime is 2501263901. The reversal of 2501263900 is 93621052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501263901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171702 + ... + 185698.

It is an arithmetic number, because the mean of its divisors is an integer number (150865778).

Almost surely, 2^2501263900 is an apocalyptic number.

2501263900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2501263900 is an abundant number, since it is smaller than the sum of its proper divisors (2929904108).

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

2501263900 is a wasteful number, since it uses less digits than its factorization.

2501263900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15798 (or 15791 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2501263900 is about 50012.6374029605. The cubic root of 2501263900 is about 1357.4374865933.

Adding to 2501263900 its reverse (93621052), we get a palindrome (2594884952).

The spelling of 2501263900 in words is "two billion, five hundred one million, two hundred sixty-three thousand, nine hundred".