25923977 has 2 divisors, whose sum is σ = 25923978. Its totient is φ = 25923976.

The previous prime is 25923907. The next prime is 25923991. The reversal of 25923977 is 77932952.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14661241 + 11262736 = 3829^2 + 3356^2 .

It is a cyclic number.

It is not a de Polignac number, because 25923977 - 2¹⁴ = 25907593 is a prime.

It is not a weakly prime, because it can be changed into another prime (25923907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12961988 + 12961989.

It is an arithmetic number, because the mean of its divisors is an integer number (12961989).

Almost surely, 2^25923977 is an apocalyptic number.

It is an amenable number.

25923977 is a deficient number, since it is larger than the sum of its proper divisors (1).

25923977 is an equidigital number, since it uses as much as digits as its factorization.

25923977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 44.

The square root of 25923977 is about 5091.5593878497. The cubic root of 25923977 is about 295.9605841416.

The spelling of 25923977 in words is "twenty-five million, nine hundred twenty-three thousand, nine hundred seventy-seven".