267420493 has 2 divisors, whose sum is σ = 267420494. Its totient is φ = 267420492.

The previous prime is 267420487. The next prime is 267420511. The reversal of 267420493 is 394024762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260435044 + 6985449 = 16138^2 + 2643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-267420493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (267420403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133710246 + 133710247.

It is an arithmetic number, because the mean of its divisors is an integer number (133710247).

Almost surely, 2^267420493 is an apocalyptic number.

It is an amenable number.

267420493 is a deficient number, since it is larger than the sum of its proper divisors (1).

267420493 is an equidigital number, since it uses as much as digits as its factorization.

267420493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 267420493 is about 16352.9964532498. The cubic root of 267420493 is about 644.2655285650.

The spelling of 267420493 in words is "two hundred sixty-seven million, four hundred twenty thousand, four hundred ninety-three".