260097409 has 32 divisors (see below), whose sum is σ = 329269248. Its totient is φ = 201960000.

The previous prime is 260097407. The next prime is 260097413. The reversal of 260097409 is 904790062.

It is not a de Polignac number, because 260097409 - 2¹ = 260097407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260097401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100684 + ... + 103234.

It is an arithmetic number, because the mean of its divisors is an integer number (10289664).

Almost surely, 2^260097409 is an apocalyptic number.

It is an amenable number.

260097409 is a deficient number, since it is larger than the sum of its proper divisors (69171839).

260097409 is a wasteful number, since it uses less digits than its factorization.

260097409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 260097409 is about 16127.5357386056. The cubic root of 260097409 is about 638.3301267752.

The spelling of 260097409 in words is "two hundred sixty million, ninety-seven thousand, four hundred nine".