2500775 has 12 divisors (see below), whose sum is σ = 3149352. Its totient is φ = 1969440.

The previous prime is 2500769. The next prime is 2500781. The reversal of 2500775 is 5770052.

It is an interprime number because it is at equal distance from previous prime (2500769) and next prime (2500781).

It is not a de Polignac number, because 2500775 - 2⁴ = 2500759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 929 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (262446).

2^2500775 is an apocalyptic number.

2500775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2500775 is a deficient number, since it is larger than the sum of its proper divisors (648577).

2500775 is a wasteful number, since it uses less digits than its factorization.

2500775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 2500775 is about 1581.3838876124. The cubic root of 2500775 is about 135.7349038718.

The spelling of 2500775 in words is "two million, five hundred thousand, seven hundred seventy-five".