249462497 has 2 divisors, whose sum is σ = 249462498. Its totient is φ = 249462496.

The previous prime is 249462449. The next prime is 249462503. The reversal of 249462497 is 794264942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243391201 + 6071296 = 15601^2 + 2464^2 .

It is a cyclic number.

It is not a de Polignac number, because 249462497 - 2²² = 245268193 is a prime.

It is not a weakly prime, because it can be changed into another prime (249462197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124731248 + 124731249.

It is an arithmetic number, because the mean of its divisors is an integer number (124731249).

Almost surely, 2^249462497 is an apocalyptic number.

It is an amenable number.

249462497 is a deficient number, since it is larger than the sum of its proper divisors (1).

249462497 is an equidigital number, since it uses as much as digits as its factorization.

249462497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 249462497 is about 15794.3818175958. The cubic root of 249462497 is about 629.5087267727.

The spelling of 249462497 in words is "two hundred forty-nine million, four hundred sixty-two thousand, four hundred ninety-seven".