497674181 has 2 divisors, whose sum is σ = 497674182. Its totient is φ = 497674180.

The previous prime is 497674169. The next prime is 497674189. The reversal of 497674181 is 181476794.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273902500 + 223771681 = 16550^2 + 14959^2 .

It is a cyclic number.

It is not a de Polignac number, because 497674181 - 2¹⁸ = 497412037 is a prime.

It is a super-2 number, since 2×497674181² = 495359180868041522, which contains 22 as substring.

It is a Chen prime.

It is equal to p_26239898 and since 497674181 and 26239898 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497674189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248837090 + 248837091.

It is an arithmetic number, because the mean of its divisors is an integer number (248837091).

Almost surely, 2^497674181 is an apocalyptic number.

It is an amenable number.

497674181 is a deficient number, since it is larger than the sum of its proper divisors (1).

497674181 is an equidigital number, since it uses as much as digits as its factorization.

497674181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 47.

The square root of 497674181 is about 22308.6122607391. The cubic root of 497674181 is about 792.4679436525.

The spelling of 497674181 in words is "four hundred ninety-seven million, six hundred seventy-four thousand, one hundred eighty-one".