497701291 has 2 divisors, whose sum is σ = 497701292. Its totient is φ = 497701290.

The previous prime is 497701241. The next prime is 497701297. The reversal of 497701291 is 192107794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 497701291 - 2²¹ = 495604139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (497701297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248850645 + 248850646.

It is an arithmetic number, because the mean of its divisors is an integer number (248850646).

Almost surely, 2^497701291 is an apocalyptic number.

497701291 is a deficient number, since it is larger than the sum of its proper divisors (1).

497701291 is an equidigital number, since it uses as much as digits as its factorization.

497701291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 497701291 is about 22309.2198653382. The cubic root of 497701291 is about 792.4823328632.

The spelling of 497701291 in words is "four hundred ninety-seven million, seven hundred one thousand, two hundred ninety-one".