25457933 has 2 divisors, whose sum is σ = 25457934. Its totient is φ = 25457932.

The previous prime is 25457921. The next prime is 25457963. The reversal of 25457933 is 33975452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23600164 + 1857769 = 4858^2 + 1363^2 .

It is a cyclic number.

It is not a de Polignac number, because 25457933 - 2⁶ = 25457869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25457963) 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, 12728966 + 12728967.

It is an arithmetic number, because the mean of its divisors is an integer number (12728967).

Almost surely, 2^25457933 is an apocalyptic number.

It is an amenable number.

25457933 is a deficient number, since it is larger than the sum of its proper divisors (1).

25457933 is an equidigital number, since it uses as much as digits as its factorization.

25457933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 38.

The square root of 25457933 is about 5045.5854962531. The cubic root of 25457933 is about 294.1763214933.

The spelling of 25457933 in words is "twenty-five million, four hundred fifty-seven thousand, nine hundred thirty-three".