490951 has 2 divisors, whose sum is σ = 490952. Its totient is φ = 490950.

The previous prime is 490949. The next prime is 490957. The reversal of 490951 is 159094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490951 - 2¹ = 490949 is a prime.

Together with 490949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245475 + 245476.

It is an arithmetic number, because the mean of its divisors is an integer number (245476).

2⁴⁹⁰⁹⁵¹ is an apocalyptic number.

490951 is a deficient number, since it is larger than the sum of its proper divisors (1).

490951 is an equidigital number, since it uses as much as digits as its factorization.

490951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 490951 is about 700.6789564415. The cubic root of 490951 is about 78.8883216105. Note that the first 3 decimals are identical.

It can be divided in two parts, 490 and 951, that added together give a palindrome (1441).

The spelling of 490951 in words is "four hundred ninety thousand, nine hundred fifty-one".