2505017960 has 16 divisors (see below), whose sum is σ = 5636290500. Its totient is φ = 1002007168.

The previous prime is 2505017951. The next prime is 2505018001. The reversal of 2505017960 is 697105052.

It can be written as a sum of positive squares in 2 ways, for example, as 2358656356 + 146361604 = 48566^2 + 12098^2 .

It is a super-2 number, since 2×2505017960² = 12550229959845123200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2505017960.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31312685 + ... + 31312764.

Almost surely, 2^2505017960 is an apocalyptic number.

2505017960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2505017960 is an abundant number, since it is smaller than the sum of its proper divisors (3131272540).

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

2505017960 is a wasteful number, since it uses less digits than its factorization.

2505017960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62625460 (or 62625456 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 2505017960 is about 50050.1544453162. The cubic root of 2505017960 is about 1358.1162573638.

The spelling of 2505017960 in words is "two billion, five hundred five million, seventeen thousand, nine hundred sixty".