591461 has 4 divisors (see below), whose sum is σ = 636972. Its totient is φ = 545952.

The previous prime is 591457. The next prime is 591469. The reversal of 591461 is 164195.

591461 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164195 = 5 ⋅32839.

It can be written as a sum of positive squares in 2 ways, for example, as 93025 + 498436 = 305^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 591461 - 2² = 591457 is a prime.

It is a super-2 number, since 2×591461² = 699652229042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 591461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (591469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22736 + ... + 22761.

It is an arithmetic number, because the mean of its divisors is an integer number (159243).

2⁵⁹¹⁴⁶¹ is an apocalyptic number.

It is an amenable number.

591461 is a deficient number, since it is larger than the sum of its proper divisors (45511).

591461 is a wasteful number, since it uses less digits than its factorization.

591461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45510.

The product of its digits is 1080, while the sum is 26.

The square root of 591461 is about 769.0650167574. The cubic root of 591461 is about 83.9412381925.

The spelling of 591461 in words is "five hundred ninety-one thousand, four hundred sixty-one".