262540897 has 2 divisors, whose sum is σ = 262540898. Its totient is φ = 262540896.

The previous prime is 262540823. The next prime is 262540903. The reversal of 262540897 is 798045262.

262540897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152794321 + 109746576 = 12361^2 + 10476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-262540897 is a prime.

It is not a weakly prime, because it can be changed into another prime (262240897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131270448 + 131270449.

It is an arithmetic number, because the mean of its divisors is an integer number (131270449).

Almost surely, 2^262540897 is an apocalyptic number.

It is an amenable number.

262540897 is a deficient number, since it is larger than the sum of its proper divisors (1).

262540897 is an equidigital number, since it uses as much as digits as its factorization.

262540897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 262540897 is about 16203.1138056856. The cubic root of 262540897 is about 640.3228327328.

The spelling of 262540897 in words is "two hundred sixty-two million, five hundred forty thousand, eight hundred ninety-seven".