247130629 has 2 divisors, whose sum is σ = 247130630. Its totient is φ = 247130628.

The previous prime is 247130627. The next prime is 247130641. The reversal of 247130629 is 926031742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246176100 + 954529 = 15690^2 + 977^2 .

It is a cyclic number.

It is not a de Polignac number, because 247130629 - 2¹ = 247130627 is a prime.

It is a super-2 number, since 2×247130629² = 122147095579871282, which contains 22 as substring.

Together with 247130627, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 247130594 and 247130603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247130621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123565314 + 123565315.

It is an arithmetic number, because the mean of its divisors is an integer number (123565315).

Almost surely, 2^247130629 is an apocalyptic number.

It is an amenable number.

247130629 is a deficient number, since it is larger than the sum of its proper divisors (1).

247130629 is an equidigital number, since it uses as much as digits as its factorization.

247130629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 247130629 is about 15720.3889582923. The cubic root of 247130629 is about 627.5411243768.

The spelling of 247130629 in words is "two hundred forty-seven million, one hundred thirty thousand, six hundred twenty-nine".