2533257915 has 16 divisors (see below), whose sum is σ = 4060251168. Its totient is φ = 1348724736.

The previous prime is 2533257913. The next prime is 2533257931. The reversal of 2533257915 is 5197523352.

It is not a de Polignac number, because 2533257915 - 2¹ = 2533257913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2533257913) 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, 137692 + ... + 155001.

It is an arithmetic number, because the mean of its divisors is an integer number (253765698).

Almost surely, 2^2533257915 is an apocalyptic number.

2533257915 is a deficient number, since it is larger than the sum of its proper divisors (1526993253).

2533257915 is a wasteful number, since it uses less digits than its factorization.

2533257915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293278.

The product of its digits is 283500, while the sum is 42.

The square root of 2533257915 is about 50331.4803577244. The cubic root of 2533257915 is about 1363.2007072772.

The spelling of 2533257915 in words is "two billion, five hundred thirty-three million, two hundred fifty-seven thousand, nine hundred fifteen".