147270247 has 2 divisors, whose sum is σ = 147270248. Its totient is φ = 147270246.

The previous prime is 147270241. The next prime is 147270251. The reversal of 147270247 is 742072741.

It is a happy number.

147270247 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-147270247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147270241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73635123 + 73635124.

It is an arithmetic number, because the mean of its divisors is an integer number (73635124).

Almost surely, 2^147270247 is an apocalyptic number.

147270247 is a deficient number, since it is larger than the sum of its proper divisors (1).

147270247 is an equidigital number, since it uses as much as digits as its factorization.

147270247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 147270247 is about 12135.4953339367. The cubic root of 147270247 is about 528.0864267289.

The spelling of 147270247 in words is "one hundred forty-seven million, two hundred seventy thousand, two hundred forty-seven".