249960097 has 2 divisors, whose sum is σ = 249960098. Its totient is φ = 249960096.

The previous prime is 249960083. The next prime is 249960121. The reversal of 249960097 is 790069942.

249960097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233508961 + 16451136 = 15281^2 + 4056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249960097 is a prime.

It is not a weakly prime, because it can be changed into another prime (249960017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124980048 + 124980049.

It is an arithmetic number, because the mean of its divisors is an integer number (124980049).

Almost surely, 2^249960097 is an apocalyptic number.

It is an amenable number.

249960097 is a deficient number, since it is larger than the sum of its proper divisors (1).

249960097 is an equidigital number, since it uses as much as digits as its factorization.

249960097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 249960097 is about 15810.1264068318. The cubic root of 249960097 is about 629.9270067443.

The spelling of 249960097 in words is "two hundred forty-nine million, nine hundred sixty thousand, ninety-seven".