2505653236 has 6 divisors (see below), whose sum is σ = 4384893170. Its totient is φ = 1252826616.

The previous prime is 2505653207. The next prime is 2505653243. The reversal of 2505653236 is 6323565052.

It can be written as a sum of positive squares in only one way, i.e., 2167461136 + 338192100 = 46556^2 + 18390^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2505653195 and 2505653204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313206651 + ... + 313206658.

Almost surely, 2^2505653236 is an apocalyptic number.

It is an amenable number.

2505653236 is a deficient number, since it is larger than the sum of its proper divisors (1879239934).

2505653236 is a wasteful number, since it uses less digits than its factorization.

2505653236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626413313 (or 626413311 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 37.

The square root of 2505653236 is about 50056.5004370062. The cubic root of 2505653236 is about 1358.2310543770.

It can be divided in two parts, 2505653 and 236, that added together give a square (2505889 = 1583²).

The spelling of 2505653236 in words is "two billion, five hundred five million, six hundred fifty-three thousand, two hundred thirty-six".