961248047 has 2 divisors, whose sum is σ = 961248048. Its totient is φ = 961248046.

The previous prime is 961247953. The next prime is 961248059. The reversal of 961248047 is 740842169.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 961248047 - 2¹² = 961243951 is a prime.

It is a super-2 number, since 2×961248047² = 1847995615722628418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 961247995 and 961248013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961248347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480624023 + 480624024.

It is an arithmetic number, because the mean of its divisors is an integer number (480624024).

Almost surely, 2^961248047 is an apocalyptic number.

961248047 is a deficient number, since it is larger than the sum of its proper divisors (1).

961248047 is an equidigital number, since it uses as much as digits as its factorization.

961248047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 961248047 is about 31004.0004999355. Note that the first 3 decimals coincide. The cubic root of 961248047 is about 986.9121374704.

The spelling of 961248047 in words is "nine hundred sixty-one million, two hundred forty-eight thousand, forty-seven".