2500125001 has 16 divisors (see below), whose sum is σ = 2848923648. Its totient is φ = 2171782800.

The previous prime is 2500124999. The next prime is 2500125053. The reversal of 2500125001 is 1005210052.

It is not a de Polignac number, because 2500125001 - 2¹ = 2500124999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500125401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270466 + ... + 279556.

It is an arithmetic number, because the mean of its divisors is an integer number (178057728).

Almost surely, 2^2500125001 is an apocalyptic number.

2500125001 is the 25001-st decagonal number.

It is an amenable number.

2500125001 is a deficient number, since it is larger than the sum of its proper divisors (348798647).

2500125001 is a wasteful number, since it uses less digits than its factorization.

2500125001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10212.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2500125001 is about 50001.2499943751. The cubic root of 2500125001 is about 1357.2314282482.

Adding to 2500125001 its reverse (1005210052), we get a palindrome (3505335053).

The spelling of 2500125001 in words is "two billion, five hundred million, one hundred twenty-five thousand, one".