25796437 has 4 divisors (see below), whose sum is σ = 26493676. Its totient is φ = 25099200.

The previous prime is 25796413. The next prime is 25796443. The reversal of 25796437 is 73469752.

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 23126481 + 2669956 = 4809^2 + 1634^2 .

It is a cyclic number.

It is not a de Polignac number, because 25796437 - 2¹⁵ = 25763669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25796393 and 25796402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25796137) 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, 348564 + ... + 348637.

It is an arithmetic number, because the mean of its divisors is an integer number (6623419).

Almost surely, 2^25796437 is an apocalyptic number.

It is an amenable number.

25796437 is a deficient number, since it is larger than the sum of its proper divisors (697239).

25796437 is an equidigital number, since it uses as much as digits as its factorization.

25796437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697238.

The product of its digits is 317520, while the sum is 43.

The square root of 25796437 is about 5079.0192951002. The cubic root of 25796437 is about 295.4744333667.

The spelling of 25796437 in words is "twenty-five million, seven hundred ninety-six thousand, four hundred thirty-seven".