2505313530 has 64 divisors (see below), whose sum is σ = 6686668800. Its totient is φ = 667500480.

The previous prime is 2505313529. The next prime is 2505313543. The reversal of 2505313530 is 353135052.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2505313494 and 2505313503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369511 + ... + 376229.

It is an arithmetic number, because the mean of its divisors is an integer number (104479200).

Almost surely, 2^2505313530 is an apocalyptic number.

2505313530 is an abundant number, since it is smaller than the sum of its proper divisors (4181355270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505313530 is a wasteful number, since it uses less digits than its factorization.

2505313530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8116 (or 8110 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 2505313530 is about 50053.1070963632. The cubic root of 2505313530 is about 1358.1696705052.

Adding to 2505313530 its reverse (353135052), we get a palindrome (2858448582).

It can be divided in two parts, 25053 and 13530, that added together give a palindrome (38583).

The spelling of 2505313530 in words is "two billion, five hundred five million, three hundred thirteen thousand, five hundred thirty".