249511463 has 2 divisors, whose sum is σ = 249511464. Its totient is φ = 249511462.

The previous prime is 249511403. The next prime is 249511517. The reversal of 249511463 is 364115942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249511463 - 2²² = 245317159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249511403) 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, 124755731 + 124755732.

It is an arithmetic number, because the mean of its divisors is an integer number (124755732).

Almost surely, 2^249511463 is an apocalyptic number.

249511463 is a deficient number, since it is larger than the sum of its proper divisors (1).

249511463 is an equidigital number, since it uses as much as digits as its factorization.

249511463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 249511463 is about 15795.9318496884. The cubic root of 249511463 is about 629.5499119984.

The spelling of 249511463 in words is "two hundred forty-nine million, five hundred eleven thousand, four hundred sixty-three".