2501672500 has 30 divisors (see below), whose sum is σ = 5470662890. Its totient is φ = 1000668000.

The previous prime is 2501672489. The next prime is 2501672561. The reversal of 2501672500 is 52761052.

2501672500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 1561514256 + 940158244 = 39516^2 + 30662^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 497835 + ... + 502834.

Almost surely, 2^2501672500 is an apocalyptic number.

2501672500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2501672500 is an abundant number, since it is smaller than the sum of its proper divisors (2968990390).

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

2501672500 is a wasteful number, since it uses less digits than its factorization.

2501672500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000693 (or 1000676 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2501672500 is about 50016.7222036790. The cubic root of 2501672500 is about 1357.5113983941.

The spelling of 2501672500 in words is "two billion, five hundred one million, six hundred seventy-two thousand, five hundred".