2525761 has 4 divisors (see below), whose sum is σ = 2886592. Its totient is φ = 2164932.

The previous prime is 2525753. The next prime is 2525771. The reversal of 2525761 is 1675252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2525761 - 2³ = 2525753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180405 + ... + 180418.

It is an arithmetic number, because the mean of its divisors is an integer number (721648).

2^2525761 is an apocalyptic number.

It is an amenable number.

2525761 is a deficient number, since it is larger than the sum of its proper divisors (360831).

2525761 is an equidigital number, since it uses as much as digits as its factorization.

2525761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360830.

The product of its digits is 4200, while the sum is 28.

The square root of 2525761 is about 1589.2642952008. The cubic root of 2525761 is about 136.1854628004.

The spelling of 2525761 in words is "two million, five hundred twenty-five thousand, seven hundred sixty-one".