291472411 has 2 divisors, whose sum is σ = 291472412. Its totient is φ = 291472410.

The previous prime is 291472409. The next prime is 291472451. The reversal of 291472411 is 114274192.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 291472411 - 2¹ = 291472409 is a prime.

Together with 291472409, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (291472451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145736205 + 145736206.

It is an arithmetic number, because the mean of its divisors is an integer number (145736206).

Almost surely, 2^291472411 is an apocalyptic number.

291472411 is a deficient number, since it is larger than the sum of its proper divisors (1).

291472411 is an equidigital number, since it uses as much as digits as its factorization.

291472411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 291472411 is about 17072.5631057554. The cubic root of 291472411 is about 663.0289392065.

The spelling of 291472411 in words is "two hundred ninety-one million, four hundred seventy-two thousand, four hundred eleven".