947254493 has 2 divisors, whose sum is σ = 947254494. Its totient is φ = 947254492.

The previous prime is 947254489. The next prime is 947254541. The reversal of 947254493 is 394452749.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 852523204 + 94731289 = 29198^2 + 9733^2 .

It is a cyclic number.

It is not a de Polignac number, because 947254493 - 2² = 947254489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (947254423) 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, 473627246 + 473627247.

It is an arithmetic number, because the mean of its divisors is an integer number (473627247).

Almost surely, 2^947254493 is an apocalyptic number.

It is an amenable number.

947254493 is a deficient number, since it is larger than the sum of its proper divisors (1).

947254493 is an equidigital number, since it uses as much as digits as its factorization.

947254493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 47.

The square root of 947254493 is about 30777.4997847453. The cubic root of 947254493 is about 982.0996538309.

The spelling of 947254493 in words is "nine hundred forty-seven million, two hundred fifty-four thousand, four hundred ninety-three".