2533157613 has 24 divisors (see below), whose sum is σ = 4183223616. Its totient is φ = 1446998400.

The previous prime is 2533157587. The next prime is 2533157623. The reversal of 2533157613 is 3167513352.

2533157613 is a `hidden beast` number, since 2 + 5 + 3 + 31 + 5 + 7 + 613 = 666.

It is not a de Polignac number, because 2533157613 - 2¹² = 2533153517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533157623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231598 + ... + 242288.

It is an arithmetic number, because the mean of its divisors is an integer number (174300984).

Almost surely, 2^2533157613 is an apocalyptic number.

It is an amenable number.

2533157613 is a deficient number, since it is larger than the sum of its proper divisors (1650066003).

2533157613 is a wasteful number, since it uses less digits than its factorization.

2533157613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14465 (or 14462 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 2533157613 is about 50330.4839336957. The cubic root of 2533157613 is about 1363.1827154834.

It can be divided in two parts, 25331 and 57613, that added together give a square (82944 = 288²).

The spelling of 2533157613 in words is "two billion, five hundred thirty-three million, one hundred fifty-seven thousand, six hundred thirteen".