897692153 has 2 divisors, whose sum is σ = 897692154. Its totient is φ = 897692152.

The previous prime is 897692149. The next prime is 897692167. The reversal of 897692153 is 351296798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 512433769 + 385258384 = 22637^2 + 19628^2 .

It is a cyclic number.

It is not a de Polignac number, because 897692153 - 2² = 897692149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (897691153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448846076 + 448846077.

It is an arithmetic number, because the mean of its divisors is an integer number (448846077).

Almost surely, 2^897692153 is an apocalyptic number.

It is an amenable number.

897692153 is a deficient number, since it is larger than the sum of its proper divisors (1).

897692153 is an equidigital number, since it uses as much as digits as its factorization.

897692153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 50.

The square root of 897692153 is about 29961.5111935296. The cubic root of 897692153 is about 964.6634182829.

The spelling of 897692153 in words is "eight hundred ninety-seven million, six hundred ninety-two thousand, one hundred fifty-three".