25947973 has 4 divisors (see below), whose sum is σ = 26007520. Its totient is φ = 25888428.

The previous prime is 25947949. The next prime is 25948007. The reversal of 25947973 is 37974952.

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 25947973 - 2⁵ = 25947941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25947773) 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, 29115 + ... + 29992.

It is an arithmetic number, because the mean of its divisors is an integer number (6501880).

Almost surely, 2^25947973 is an apocalyptic number.

It is an amenable number.

25947973 is a deficient number, since it is larger than the sum of its proper divisors (59547).

25947973 is an equidigital number, since it uses as much as digits as its factorization.

25947973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59546.

The product of its digits is 476280, while the sum is 46.

The square root of 25947973 is about 5093.9152917967. The cubic root of 25947973 is about 296.0518726049.

The spelling of 25947973 in words is "twenty-five million, nine hundred forty-seven thousand, nine hundred seventy-three".