25097693 has 4 divisors (see below), whose sum is σ = 25907328. Its totient is φ = 24288060.

The previous prime is 25097687. The next prime is 25097707. The reversal of 25097693 is 39679052.

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 a cyclic number.

It is not a de Polignac number, because 25097693 - 2¹⁶ = 25032157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25097693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25097663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404771 + ... + 404832.

It is an arithmetic number, because the mean of its divisors is an integer number (6476832).

Almost surely, 2^25097693 is an apocalyptic number.

It is an amenable number.

25097693 is a deficient number, since it is larger than the sum of its proper divisors (809635).

25097693 is an equidigital number, since it uses as much as digits as its factorization.

25097693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809634.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 25097693 is about 5009.7597746798. The cubic root of 25097693 is about 292.7821535314.

The spelling of 25097693 in words is "twenty-five million, ninety-seven thousand, six hundred ninety-three".