897550153 has 2 divisors, whose sum is σ = 897550154. Its totient is φ = 897550152.

The previous prime is 897550151. The next prime is 897550187. The reversal of 897550153 is 351055798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 808662969 + 88887184 = 28437^2 + 9428^2 .

It is a cyclic number.

It is not a de Polignac number, because 897550153 - 2¹ = 897550151 is a prime.

Together with 897550151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (897550151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448775076 + 448775077.

It is an arithmetic number, because the mean of its divisors is an integer number (448775077).

Almost surely, 2^897550153 is an apocalyptic number.

It is an amenable number.

897550153 is a deficient number, since it is larger than the sum of its proper divisors (1).

897550153 is an equidigital number, since it uses as much as digits as its factorization.

897550153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 43.

The square root of 897550153 is about 29959.1413929038. The cubic root of 897550153 is about 964.6125510198.

The spelling of 897550153 in words is "eight hundred ninety-seven million, five hundred fifty thousand, one hundred fifty-three".