499249061 has 2 divisors, whose sum is σ = 499249062. Its totient is φ = 499249060.

The previous prime is 499249033. The next prime is 499249097. The reversal of 499249061 is 160942994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 448126561 + 51122500 = 21169^2 + 7150^2 .

It is a cyclic number.

It is not a de Polignac number, because 499249061 - 2¹⁰ = 499248037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499249021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249624530 + 249624531.

It is an arithmetic number, because the mean of its divisors is an integer number (249624531).

Almost surely, 2^499249061 is an apocalyptic number.

It is an amenable number.

499249061 is a deficient number, since it is larger than the sum of its proper divisors (1).

499249061 is an equidigital number, since it uses as much as digits as its factorization.

499249061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 499249061 is about 22343.8819590509. The cubic root of 499249061 is about 793.3029797761.

It can be divided in two parts, 49924 and 9061, that added together give a palindrome (58985).

The spelling of 499249061 in words is "four hundred ninety-nine million, two hundred forty-nine thousand, sixty-one".