247230097 has 2 divisors, whose sum is σ = 247230098. Its totient is φ = 247230096.

The previous prime is 247230089. The next prime is 247230103. The reversal of 247230097 is 790032742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245893761 + 1336336 = 15681^2 + 1156^2 .

It is a cyclic number.

It is not a de Polignac number, because 247230097 - 2³ = 247230089 is a prime.

It is a super-2 number, since 2×247230097² = 122245441725258818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247230037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123615048 + 123615049.

It is an arithmetic number, because the mean of its divisors is an integer number (123615049).

Almost surely, 2^247230097 is an apocalyptic number.

It is an amenable number.

247230097 is a deficient number, since it is larger than the sum of its proper divisors (1).

247230097 is an equidigital number, since it uses as much as digits as its factorization.

247230097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 247230097 is about 15723.5523021994. The cubic root of 247230097 is about 627.6253064255.

The spelling of 247230097 in words is "two hundred forty-seven million, two hundred thirty thousand, ninety-seven".