2501172045 has 48 divisors (see below), whose sum is σ = 4373291520. Its totient is φ = 1322350848.

The previous prime is 2501172043. The next prime is 2501172151. The reversal of 2501172045 is 5402711052.

2501172045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2501172045 - 2¹ = 2501172043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501172043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3365944 + ... + 3366686.

It is an arithmetic number, because the mean of its divisors is an integer number (91110240).

Almost surely, 2^2501172045 is an apocalyptic number.

It is an amenable number.

2501172045 is a deficient number, since it is larger than the sum of its proper divisors (1872119475).

2501172045 is a wasteful number, since it uses less digits than its factorization.

2501172045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 2501172045 is about 50011.7190766324. The cubic root of 2501172045 is about 1357.4208698012.

Adding to 2501172045 its reverse (5402711052), we get a palindrome (7903883097).

The spelling of 2501172045 in words is "two billion, five hundred one million, one hundred seventy-two thousand, forty-five".