262973897 has 2 divisors, whose sum is σ = 262973898. Its totient is φ = 262973896.

The previous prime is 262973831. The next prime is 262973903. The reversal of 262973897 is 798379262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223233481 + 39740416 = 14941^2 + 6304^2 .

It is a cyclic number.

It is not a de Polignac number, because 262973897 - 2¹⁰ = 262972873 is a prime.

It is not a weakly prime, because it can be changed into another prime (262979897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131486948 + 131486949.

It is an arithmetic number, because the mean of its divisors is an integer number (131486949).

Almost surely, 2^262973897 is an apocalyptic number.

It is an amenable number.

262973897 is a deficient number, since it is larger than the sum of its proper divisors (1).

262973897 is an equidigital number, since it uses as much as digits as its factorization.

262973897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 53.

The square root of 262973897 is about 16216.4699302900. The cubic root of 262973897 is about 640.6746604596.

The spelling of 262973897 in words is "two hundred sixty-two million, nine hundred seventy-three thousand, eight hundred ninety-seven".