2526397 has 4 divisors (see below), whose sum is σ = 2594716. Its totient is φ = 2458080.

The previous prime is 2526383. The next prime is 2526401. The reversal of 2526397 is 7936252.

It is a happy number.

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 1390041 + 1136356 = 1179^2 + 1066^2 .

It is a cyclic number.

It is not a de Polignac number, because 2526397 - 2⁷ = 2526269 is a prime.

It is a Duffinian number.

2526397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2526317) 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, 34104 + ... + 34177.

It is an arithmetic number, because the mean of its divisors is an integer number (648679).

2^2526397 is an apocalyptic number.

It is an amenable number.

2526397 is a deficient number, since it is larger than the sum of its proper divisors (68319).

2526397 is an equidigital number, since it uses as much as digits as its factorization.

2526397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68318.

The product of its digits is 22680, while the sum is 34.

The square root of 2526397 is about 1589.4643751906. The cubic root of 2526397 is about 136.1968925814.

The spelling of 2526397 in words is "two million, five hundred twenty-six thousand, three hundred ninety-seven".