2500499975 has 12 divisors (see below), whose sum is σ = 3101646720. Its totient is φ = 1999737600.

The previous prime is 2500499933. The next prime is 2500500001. The reversal of 2500499975 is 5799940052.

It is a happy number.

It is not a de Polignac number, because 2500499975 - 2⁸ = 2500499719 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69146 + ... + 98904.

It is an arithmetic number, because the mean of its divisors is an integer number (258470560).

Almost surely, 2^2500499975 is an apocalyptic number.

2500499975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2500499975 is a deficient number, since it is larger than the sum of its proper divisors (601146745).

2500499975 is a wasteful number, since it uses less digits than its factorization.

2500499975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33130 (or 33125 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 50.

The square root of 2500499975 is about 50004.9995000500. Note that the first 3 decimals coincide. The cubic root of 2500499975 is about 1357.2992783299.

Adding to 2500499975 its sum of digits (50), we get a square (2500500025 = 50005²).

The spelling of 2500499975 in words is "two billion, five hundred million, four hundred ninety-nine thousand, nine hundred seventy-five".