25251983 has 2 divisors, whose sum is σ = 25251984. Its totient is φ = 25251982.

The previous prime is 25251973. The next prime is 25252013. The reversal of 25251983 is 38915252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25251983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25251943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12625991 + 12625992.

It is an arithmetic number, because the mean of its divisors is an integer number (12625992).

Almost surely, 2^25251983 is an apocalyptic number.

25251983 is a deficient number, since it is larger than the sum of its proper divisors (1).

25251983 is an equidigital number, since it uses as much as digits as its factorization.

25251983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 35.

The square root of 25251983 is about 5025.1351225614. The cubic root of 25251983 is about 293.3808952090.

The spelling of 25251983 in words is "twenty-five million, two hundred fifty-one thousand, nine hundred eighty-three".