260897851 has 2 divisors, whose sum is σ = 260897852. Its totient is φ = 260897850.

The previous prime is 260897843. The next prime is 260897863. The reversal of 260897851 is 158798062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260897851 - 2³ = 260897843 is a prime.

It is not a weakly prime, because it can be changed into another prime (260897821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130448925 + 130448926.

It is an arithmetic number, because the mean of its divisors is an integer number (130448926).

Almost surely, 2^260897851 is an apocalyptic number.

260897851 is a deficient number, since it is larger than the sum of its proper divisors (1).

260897851 is an equidigital number, since it uses as much as digits as its factorization.

260897851 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 46.

The square root of 260897851 is about 16152.3326798330. The cubic root of 260897851 is about 638.9842701581.

The spelling of 260897851 in words is "two hundred sixty million, eight hundred ninety-seven thousand, eight hundred fifty-one".