497557 has 2 divisors, whose sum is σ = 497558. Its totient is φ = 497556.

The previous prime is 497551. The next prime is 497561. The reversal of 497557 is 755794.

497557 is nontrivially palindromic in base 7.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367236 + 130321 = 606^2 + 361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497557 is a prime.

497557 is an undulating number in base 7.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248778 + 248779.

It is an arithmetic number, because the mean of its divisors is an integer number (248779).

2⁴⁹⁷⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

497557 is a deficient number, since it is larger than the sum of its proper divisors (1).

497557 is an equidigital number, since it uses as much as digits as its factorization.

497557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 37.

The square root of 497557 is about 705.3772040547. The cubic root of 497557 is about 79.2405741326.

The spelling of 497557 in words is "four hundred ninety-seven thousand, five hundred fifty-seven".