897018815053 has 2 divisors, whose sum is σ = 897018815054. Its totient is φ = 897018815052.

The previous prime is 897018815023. The next prime is 897018815113. The reversal of 897018815053 is 350518810798.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 888998179689 + 8020635364 = 942867^2 + 89558^2 .

It is a cyclic number.

It is not a de Polignac number, because 897018815053 - 2³³ = 888428880461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 897018814985 and 897018815003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897018815023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448509407526 + 448509407527.

It is an arithmetic number, because the mean of its divisors is an integer number (448509407527).

Almost surely, 2^897018815053 is an apocalyptic number.

It is an amenable number.

897018815053 is a deficient number, since it is larger than the sum of its proper divisors (1).

897018815053 is an equidigital number, since it uses as much as digits as its factorization.

897018815053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 55.

The spelling of 897018815053 in words is "eight hundred ninety-seven billion, eighteen million, eight hundred fifteen thousand, fifty-three".