249900011 has 2 divisors, whose sum is σ = 249900012. Its totient is φ = 249900010.

The previous prime is 249899999. The next prime is 249900023. The reversal of 249900011 is 110009942.

It is a balanced prime because it is at equal distance from previous prime (249899999) and next prime (249900023).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249900011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (249900041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124950005 + 124950006.

It is an arithmetic number, because the mean of its divisors is an integer number (124950006).

Almost surely, 2^249900011 is an apocalyptic number.

249900011 is a deficient number, since it is larger than the sum of its proper divisors (1).

249900011 is an equidigital number, since it uses as much as digits as its factorization.

249900011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 249900011 is about 15808.2260548108. The cubic root of 249900011 is about 629.8765282509.

Adding to 249900011 its reverse (110009942), we get a palindrome (359909953).

The spelling of 249900011 in words is "two hundred forty-nine million, nine hundred thousand, eleven".