245201347 has 2 divisors, whose sum is σ = 245201348. Its totient is φ = 245201346.

The previous prime is 245201329. The next prime is 245201357. The reversal of 245201347 is 743102542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245201347 - 2⁷ = 245201219 is a prime.

It is a super-2 number, since 2×245201347² = 120247401141228818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245201317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122600673 + 122600674.

It is an arithmetic number, because the mean of its divisors is an integer number (122600674).

Almost surely, 2^245201347 is an apocalyptic number.

245201347 is a deficient number, since it is larger than the sum of its proper divisors (1).

245201347 is an equidigital number, since it uses as much as digits as its factorization.

245201347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 245201347 is about 15658.9063155764. The cubic root of 245201347 is about 625.9038417221.

Adding to 245201347 its reverse (743102542), we get a palindrome (988303889).

The spelling of 245201347 in words is "two hundred forty-five million, two hundred one thousand, three hundred forty-seven".