260261457 has 8 divisors (see below), whose sum is σ = 358981440. Its totient is φ = 167524560.

The previous prime is 260261453. The next prime is 260261459. The reversal of 260261457 is 754162062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 260261457 - 2² = 260261453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260261453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495669 + ... + 1495842.

It is an arithmetic number, because the mean of its divisors is an integer number (44872680).

Almost surely, 2^260261457 is an apocalyptic number.

It is an amenable number.

260261457 is a deficient number, since it is larger than the sum of its proper divisors (98719983).

260261457 is a wasteful number, since it uses less digits than its factorization.

260261457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991543.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 260261457 is about 16132.6208968041. The cubic root of 260261457 is about 638.4643005746.

The spelling of 260261457 in words is "two hundred sixty million, two hundred sixty-one thousand, four hundred fifty-seven".