47874961 has 2 divisors, whose sum is σ = 47874962. Its totient is φ = 47874960.

The previous prime is 47874949. The next prime is 47874971. The reversal of 47874961 is 16947874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46036225 + 1838736 = 6785^2 + 1356^2 .

It is a cyclic number.

It is not a de Polignac number, because 47874961 - 2⁷ = 47874833 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (47874971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23937480 + 23937481.

It is an arithmetic number, because the mean of its divisors is an integer number (23937481).

Almost surely, 2^47874961 is an apocalyptic number.

It is an amenable number.

47874961 is a deficient number, since it is larger than the sum of its proper divisors (1).

47874961 is an equidigital number, since it uses as much as digits as its factorization.

47874961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 47874961 is about 6919.1734332939. The cubic root of 47874961 is about 363.1082733983.

The spelling of 47874961 in words is "forty-seven million, eight hundred seventy-four thousand, nine hundred sixty-one".