25977583 has 2 divisors, whose sum is σ = 25977584. Its totient is φ = 25977582.

The previous prime is 25977563. The next prime is 25977629. The reversal of 25977583 is 38577952.

It is an a-pointer prime, because the next prime (25977629) can be obtained adding 25977583 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25977583 - 2²¹ = 23880431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25977563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12988791 + 12988792.

It is an arithmetic number, because the mean of its divisors is an integer number (12988792).

Almost surely, 2^25977583 is an apocalyptic number.

25977583 is a deficient number, since it is larger than the sum of its proper divisors (1).

25977583 is an equidigital number, since it uses as much as digits as its factorization.

25977583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 46.

The square root of 25977583 is about 5096.8208718769. The cubic root of 25977583 is about 296.1644409822.

The spelling of 25977583 in words is "twenty-five million, nine hundred seventy-seven thousand, five hundred eighty-three".