490002431 has 2 divisors, whose sum is σ = 490002432. Its totient is φ = 490002430.

The previous prime is 490002413. The next prime is 490002481. The reversal of 490002431 is 134200094.

Together with previous prime (490002413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490002431 - 2²⁶ = 422893567 is a prime.

It is a super-2 number, since 2×490002431² = 480204764771819522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 490002397 and 490002406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490002481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245001215 + 245001216.

It is an arithmetic number, because the mean of its divisors is an integer number (245001216).

Almost surely, 2^490002431 is an apocalyptic number.

490002431 is a deficient number, since it is larger than the sum of its proper divisors (1).

490002431 is an equidigital number, since it uses as much as digits as its factorization.

490002431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 490002431 is about 22135.9985318033. The cubic root of 490002431 is about 788.3748200744.

The spelling of 490002431 in words is "four hundred ninety million, two thousand, four hundred thirty-one".