562491 has 16 divisors (see below), whose sum is σ = 846720. Its totient is φ = 369000.

The previous prime is 562477. The next prime is 562493. The reversal of 562491 is 194265.

562491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 562491 - 2⁵ = 562459 is a prime.

It is a super-2 number, since 2×562491² = 632792250162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (562493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2116 + ... + 2366.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

562491 is a Friedman number, since it can be written as 9*(5^6*4-2+1), using all its digits and the basic arithmetic operations.

2⁵⁶²⁴⁹¹ is an apocalyptic number.

562491 is a deficient number, since it is larger than the sum of its proper divisors (284229).

562491 is a wasteful number, since it uses less digits than its factorization.

562491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 337 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 562491 is about 749.9939999760. The cubic root of 562491 is about 82.5477409631.

The spelling of 562491 in words is "five hundred sixty-two thousand, four hundred ninety-one".