25924973 has 2 divisors, whose sum is σ = 25924974. Its totient is φ = 25924972.

The previous prime is 25924963. The next prime is 25924981. The reversal of 25924973 is 37942952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15665764 + 10259209 = 3958^2 + 3203^2 .

It is a cyclic number.

It is not a de Polignac number, because 25924973 - 2¹⁸ = 25662829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25924973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25924903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12962486 + 12962487.

It is an arithmetic number, because the mean of its divisors is an integer number (12962487).

Almost surely, 2^25924973 is an apocalyptic number.

It is an amenable number.

25924973 is a deficient number, since it is larger than the sum of its proper divisors (1).

25924973 is an equidigital number, since it uses as much as digits as its factorization.

25924973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 25924973 is about 5091.6571958450. The cubic root of 25924973 is about 295.9643743647.

The spelling of 25924973 in words is "twenty-five million, nine hundred twenty-four thousand, nine hundred seventy-three".