2500252775 has 24 divisors (see below), whose sum is σ = 3188004288. Its totient is φ = 1944000000.

The previous prime is 2500252771. The next prime is 2500252787. The reversal of 2500252775 is 5772520052.

It is not a de Polignac number, because 2500252775 - 2² = 2500252771 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500252771) 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, 273275 + ... + 282275.

It is an arithmetic number, because the mean of its divisors is an integer number (132833512).

Almost surely, 2^2500252775 is an apocalyptic number.

2500252775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2500252775 is a deficient number, since it is larger than the sum of its proper divisors (687751513).

2500252775 is a wasteful number, since it uses less digits than its factorization.

2500252775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323 (or 9318 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 2500252775 is about 50002.5276861080. The cubic root of 2500252775 is about 1357.2545492167.

It can be divided in two parts, 25002 and 52775, that added together give a palindrome (77777).

The spelling of 2500252775 in words is "two billion, five hundred million, two hundred fifty-two thousand, seven hundred seventy-five".