2505740915 has 8 divisors (see below), whose sum is σ = 3057853680. Its totient is φ = 1970616352.

The previous prime is 2505740903. The next prime is 2505740917. The reversal of 2505740915 is 5190475052.

It is a happy number.

2505740915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2505740915 - 2⁶ = 2505740851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2505740917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4246724 + ... + 4247313.

It is an arithmetic number, because the mean of its divisors is an integer number (382231710).

Almost surely, 2^2505740915 is an apocalyptic number.

2505740915 is a deficient number, since it is larger than the sum of its proper divisors (552112765).

2505740915 is an equidigital number, since it uses as much as digits as its factorization.

2505740915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8494101.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 2505740915 is about 50057.3762296827. The cubic root of 2505740915 is about 1358.2468968128.

The spelling of 2505740915 in words is "two billion, five hundred five million, seven hundred forty thousand, nine hundred fifteen".