2525597 has 4 divisors (see below), whose sum is σ = 2533980. Its totient is φ = 2517216.

The previous prime is 2525591. The next prime is 2525599. The reversal of 2525597 is 7955252.

2525597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10201 + 2515396 = 101^2 + 1586^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525597 - 2¹² = 2521501 is a prime.

It is a d-powerful number, because it can be written as 2 + 5⁶ + 2²¹ + 5⁶ + 5⁸ + 9⁴ + 7 .

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3722 + ... + 4347.

It is an arithmetic number, because the mean of its divisors is an integer number (633495).

2^2525597 is an apocalyptic number.

It is an amenable number.

2525597 is a deficient number, since it is larger than the sum of its proper divisors (8383).

2525597 is an equidigital number, since it uses as much as digits as its factorization.

2525597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8382.

The product of its digits is 31500, while the sum is 35.

The square root of 2525597 is about 1589.2126981622. The cubic root of 2525597 is about 136.1825151872.

It can be divided in two parts, 25255 and 97, that added together give a palindrome (25352).

The spelling of 2525597 in words is "two million, five hundred twenty-five thousand, five hundred ninety-seven".