290973047 has 2 divisors, whose sum is σ = 290973048. Its totient is φ = 290973046.

The previous prime is 290973031. The next prime is 290973061. The reversal of 290973047 is 740379092.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 290973047 - 2⁴ = 290973031 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 290972995 and 290973013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290973077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145486523 + 145486524.

It is an arithmetic number, because the mean of its divisors is an integer number (145486524).

Almost surely, 2^290973047 is an apocalyptic number.

290973047 is a deficient number, since it is larger than the sum of its proper divisors (1).

290973047 is an equidigital number, since it uses as much as digits as its factorization.

290973047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 290973047 is about 17057.9320845172. The cubic root of 290973047 is about 662.6500788273.

The spelling of 290973047 in words is "two hundred ninety million, nine hundred seventy-three thousand, forty-seven".