249563011 has 2 divisors, whose sum is σ = 249563012. Its totient is φ = 249563010.

The previous prime is 249562987. The next prime is 249563029. The reversal of 249563011 is 110365942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249563011 - 2¹⁹ = 249038723 is a prime.

It is a super-2 number, since 2×249563011² = 124563392918772242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (249563071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124781505 + 124781506.

It is an arithmetic number, because the mean of its divisors is an integer number (124781506).

Almost surely, 2^249563011 is an apocalyptic number.

249563011 is a deficient number, since it is larger than the sum of its proper divisors (1).

249563011 is an equidigital number, since it uses as much as digits as its factorization.

249563011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 249563011 is about 15797.5634513681. The cubic root of 249563011 is about 629.5932631186.

The spelling of 249563011 in words is "two hundred forty-nine million, five hundred sixty-three thousand, eleven".