25375973 has 6 divisors (see below), whose sum is σ = 29519046. Its totient is φ = 21750792.

The previous prime is 25375967. The next prime is 25375981. The reversal of 25375973 is 37957352.

It can be written as a sum of positive squares in only one way, i.e., 19509889 + 5866084 = 4417^2 + 2422^2 .

It is not a de Polignac number, because 25375973 - 2¹⁰ = 25374949 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 25375973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25375913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258890 + ... + 258987.

It is an arithmetic number, because the mean of its divisors is an integer number (4919841).

Almost surely, 2^25375973 is an apocalyptic number.

It is an amenable number.

25375973 is a deficient number, since it is larger than the sum of its proper divisors (4143073).

25375973 is an equidigital number, since it uses as much as digits as its factorization.

25375973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517891 (or 517884 counting only the distinct ones).

The product of its digits is 198450, while the sum is 41.

The square root of 25375973 is about 5037.4569973351. The cubic root of 25375973 is about 293.8602888719.

The spelling of 25375973 in words is "twenty-five million, three hundred seventy-five thousand, nine hundred seventy-three".