472372991 has 2 divisors, whose sum is σ = 472372992. Its totient is φ = 472372990.

The previous prime is 472372963. The next prime is 472372997. The reversal of 472372991 is 199273274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 472372991 - 2¹⁰ = 472371967 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472372997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236186495 + 236186496.

It is an arithmetic number, because the mean of its divisors is an integer number (236186496).

Almost surely, 2^472372991 is an apocalyptic number.

472372991 is a deficient number, since it is larger than the sum of its proper divisors (1).

472372991 is an equidigital number, since it uses as much as digits as its factorization.

472372991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 44.

The square root of 472372991 is about 21734.1434383782. The cubic root of 472372991 is about 778.8043213535.

The spelling of 472372991 in words is "four hundred seventy-two million, three hundred seventy-two thousand, nine hundred ninety-one".