2505023137 has 8 divisors (see below), whose sum is σ = 2641751360. Its totient is φ = 2368783440.

The previous prime is 2505023119. The next prime is 2505023141. The reversal of 2505023137 is 7313205052.

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 2505023137 - 2⁷ = 2505023009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2505023177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111573 + ... + 132130.

It is an arithmetic number, because the mean of its divisors is an integer number (330218920).

Almost surely, 2^2505023137 is an apocalyptic number.

2505023137 is the 28897-th hex number.

It is an amenable number.

2505023137 is a deficient number, since it is larger than the sum of its proper divisors (136728223).

2505023137 is a wasteful number, since it uses less digits than its factorization.

2505023137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244263.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 2505023137 is about 50050.2061634116. The cubic root of 2505023137 is about 1358.1171929476.

Adding to 2505023137 its reverse (7313205052), we get a palindrome (9818228189).

The spelling of 2505023137 in words is "two billion, five hundred five million, twenty-three thousand, one hundred thirty-seven".