25972873 has 2 divisors, whose sum is σ = 25972874. Its totient is φ = 25972872.

The previous prime is 25972861. The next prime is 25972907. The reversal of 25972873 is 37827952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18088009 + 7884864 = 4253^2 + 2808^2 .

It is a cyclic number.

It is not a de Polignac number, because 25972873 - 2⁵ = 25972841 is a prime.

It is not a weakly prime, because it can be changed into another prime (25972813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12986436 + 12986437.

It is an arithmetic number, because the mean of its divisors is an integer number (12986437).

Almost surely, 2^25972873 is an apocalyptic number.

It is an amenable number.

25972873 is a deficient number, since it is larger than the sum of its proper divisors (1).

25972873 is an equidigital number, since it uses as much as digits as its factorization.

25972873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 25972873 is about 5096.3587982009. The cubic root of 25972873 is about 296.1465406919.

It can be divided in two parts, 25 and 972873, that multiplied together give a triangular number (24321825 = T₆₉₇₄).

The spelling of 25972873 in words is "twenty-five million, nine hundred seventy-two thousand, eight hundred seventy-three".