249042007 has 2 divisors, whose sum is σ = 249042008. Its totient is φ = 249042006.

The previous prime is 249041983. The next prime is 249042023. The reversal of 249042007 is 700240942.

249042007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249042007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249042097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124521003 + 124521004.

It is an arithmetic number, because the mean of its divisors is an integer number (124521004).

Almost surely, 2^249042007 is an apocalyptic number.

249042007 is a deficient number, since it is larger than the sum of its proper divisors (1).

249042007 is an equidigital number, since it uses as much as digits as its factorization.

249042007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 249042007 is about 15781.0648246562. The cubic root of 249042007 is about 629.1548312399.

Adding to 249042007 its reverse (700240942), we get a palindrome (949282949).

It can be divided in two parts, 2 and 49042007, that added together give a square (49042009 = 7003²).

The spelling of 249042007 in words is "two hundred forty-nine million, forty-two thousand, seven".