947283251 has 2 divisors, whose sum is σ = 947283252. Its totient is φ = 947283250.

The previous prime is 947283223. The next prime is 947283269. The reversal of 947283251 is 152382749.

It is a strong prime.

It is an emirp because it is prime and its reverse (152382749) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 947283251 - 2⁶ = 947283187 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 947283199 and 947283208.

It is not a weakly prime, because it can be changed into another prime (947283751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473641625 + 473641626.

It is an arithmetic number, because the mean of its divisors is an integer number (473641626).

Almost surely, 2^947283251 is an apocalyptic number.

947283251 is a deficient number, since it is larger than the sum of its proper divisors (1).

947283251 is an equidigital number, since it uses as much as digits as its factorization.

947283251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 947283251 is about 30777.9669731449. The cubic root of 947283251 is about 982.1095923555.

It can be divided in two parts, 94728 and 3251, that added together give a palindrome (97979).

The spelling of 947283251 in words is "nine hundred forty-seven million, two hundred eighty-three thousand, two hundred fifty-one".