249430007 has 2 divisors, whose sum is σ = 249430008. Its totient is φ = 249430006.

The previous prime is 249430003. The next prime is 249430033. The reversal of 249430007 is 700034942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249430007 - 2² = 249430003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249430003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124715003 + 124715004.

It is an arithmetic number, because the mean of its divisors is an integer number (124715004).

Almost surely, 2^249430007 is an apocalyptic number.

249430007 is a deficient number, since it is larger than the sum of its proper divisors (1).

249430007 is an equidigital number, since it uses as much as digits as its factorization.

249430007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 249430007 is about 15793.3532538217. The cubic root of 249430007 is about 629.4813965103.

Adding to 249430007 its reverse (700034942), we get a palindrome (949464949).

The spelling of 249430007 in words is "two hundred forty-nine million, four hundred thirty thousand, seven".