498551 has 2 divisors, whose sum is σ = 498552. Its totient is φ = 498550.

The previous prime is 498527. The next prime is 498557. The reversal of 498551 is 155894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 498551 - 2¹⁸ = 236407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 498551.

It is not a weakly prime, because it can be changed into another prime (498557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249275 + 249276.

It is an arithmetic number, because the mean of its divisors is an integer number (249276).

2⁴⁹⁸⁵⁵¹ is an apocalyptic number.

498551 is a deficient number, since it is larger than the sum of its proper divisors (1).

498551 is an equidigital number, since it uses as much as digits as its factorization.

498551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 32.

The square root of 498551 is about 706.0814400620. The cubic root of 498551 is about 79.2933069435.

The spelling of 498551 in words is "four hundred ninety-eight thousand, five hundred fifty-one".