897409267 has 2 divisors, whose sum is σ = 897409268. Its totient is φ = 897409266.

The previous prime is 897409241. The next prime is 897409309. The reversal of 897409267 is 762904798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 897409267 - 2¹¹ = 897407219 is a prime.

It is a super-3 number, since 3×897409267³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (897409217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448704633 + 448704634.

It is an arithmetic number, because the mean of its divisors is an integer number (448704634).

Almost surely, 2^897409267 is an apocalyptic number.

897409267 is a deficient number, since it is larger than the sum of its proper divisors (1).

897409267 is an equidigital number, since it uses as much as digits as its factorization.

897409267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 897409267 is about 29956.7899982625. The cubic root of 897409267 is about 964.5620775116.

The spelling of 897409267 in words is "eight hundred ninety-seven million, four hundred nine thousand, two hundred sixty-seven".