25775073 has 6 divisors (see below), whose sum is σ = 37230674. Its totient is φ = 17183376.

The previous prime is 25775053. The next prime is 25775083. The reversal of 25775073 is 37057752.

It can be written as a sum of positive squares in only one way, i.e., 24830289 + 944784 = 4983^2 + 972^2 .

It is not a de Polignac number, because 25775073 - 2⁸ = 25774817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25775033) 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, 1431940 + ... + 1431957.

Almost surely, 2^25775073 is an apocalyptic number.

It is an amenable number.

25775073 is a deficient number, since it is larger than the sum of its proper divisors (11455601).

25775073 is a wasteful number, since it uses less digits than its factorization.

25775073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863903 (or 2863900 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 36.

The square root of 25775073 is about 5076.9156975471. The cubic root of 25775073 is about 295.3928425224.

The spelling of 25775073 in words is "twenty-five million, seven hundred seventy-five thousand, seventy-three".