552491 has 2 divisors, whose sum is σ = 552492. Its totient is φ = 552490.

The previous prime is 552481. The next prime is 552493. The reversal of 552491 is 194255.

552491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 552491 - 2¹⁸ = 290347 is a prime.

Together with 552493, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 552491.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 552491.

It is not a weakly prime, because it can be changed into another prime (552493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276245 + 276246.

It is an arithmetic number, because the mean of its divisors is an integer number (276246).

2⁵⁵²⁴⁹¹ is an apocalyptic number.

552491 is a deficient number, since it is larger than the sum of its proper divisors (1).

552491 is an equidigital number, since it uses as much as digits as its factorization.

552491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 26.

The square root of 552491 is about 743.2973832861. The cubic root of 552491 is about 82.0556334740.

The spelling of 552491 in words is "five hundred fifty-two thousand, four hundred ninety-one".