314157247 has 2 divisors, whose sum is σ = 314157248. Its totient is φ = 314157246.

The previous prime is 314157199. The next prime is 314157287. The reversal of 314157247 is 742751413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 314157247 - 2¹¹ = 314155199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314157287) 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, 157078623 + 157078624.

It is an arithmetic number, because the mean of its divisors is an integer number (157078624).

Almost surely, 2^314157247 is an apocalyptic number.

314157247 is a deficient number, since it is larger than the sum of its proper divisors (1).

314157247 is an equidigital number, since it uses as much as digits as its factorization.

314157247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 34.

The square root of 314157247 is about 17724.4815721081. The cubic root of 314157247 is about 679.8018792777.

The spelling of 314157247 in words is "three hundred fourteen million, one hundred fifty-seven thousand, two hundred forty-seven".