498925261 has 2 divisors, whose sum is σ = 498925262. Its totient is φ = 498925260.

The previous prime is 498925249. The next prime is 498925319. The reversal of 498925261 is 162529894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483164361 + 15760900 = 21981^2 + 3970^2 .

It is a cyclic number.

It is not a de Polignac number, because 498925261 - 2¹¹ = 498923213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498925241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249462630 + 249462631.

It is an arithmetic number, because the mean of its divisors is an integer number (249462631).

Almost surely, 2^498925261 is an apocalyptic number.

It is an amenable number.

498925261 is a deficient number, since it is larger than the sum of its proper divisors (1).

498925261 is an equidigital number, since it uses as much as digits as its factorization.

498925261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 46.

The square root of 498925261 is about 22336.6349524721. The cubic root of 498925261 is about 793.1314374350.

The spelling of 498925261 in words is "four hundred ninety-eight million, nine hundred twenty-five thousand, two hundred sixty-one".