541686457 has 8 divisors (see below), whose sum is σ = 585259136. Its totient is φ = 498385872.

The previous prime is 541686443. The next prime is 541686461. The reversal of 541686457 is 754686145.

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

It is a cyclic number.

It is not a de Polignac number, because 541686457 - 2⁷ = 541686329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541686407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63873 + ... + 71854.

It is an arithmetic number, because the mean of its divisors is an integer number (73157392).

Almost surely, 2^541686457 is an apocalyptic number.

It is an amenable number.

541686457 is a deficient number, since it is larger than the sum of its proper divisors (43572679).

541686457 is a wasteful number, since it uses less digits than its factorization.

541686457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136047.

The product of its digits is 806400, while the sum is 46.

The square root of 541686457 is about 23274.1585669601. The cubic root of 541686457 is about 815.1721352194.

The spelling of 541686457 in words is "five hundred forty-one million, six hundred eighty-six thousand, four hundred fifty-seven".