239049247 has 2 divisors, whose sum is σ = 239049248. Its totient is φ = 239049246.

The previous prime is 239049211. The next prime is 239049259. The reversal of 239049247 is 742940932.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-239049247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239049287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119524623 + 119524624.

It is an arithmetic number, because the mean of its divisors is an integer number (119524624).

Almost surely, 2^239049247 is an apocalyptic number.

239049247 is a deficient number, since it is larger than the sum of its proper divisors (1).

239049247 is an equidigital number, since it uses as much as digits as its factorization.

239049247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 239049247 is about 15461.2175135078. The cubic root of 239049247 is about 620.6248011237.

The spelling of 239049247 in words is "two hundred thirty-nine million, forty-nine thousand, two hundred forty-seven".