6490831 has 2 divisors, whose sum is σ = 6490832. Its totient is φ = 6490830.

The previous prime is 6490817. The next prime is 6490871. The reversal of 6490831 is 1380946.

6490831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6490831 - 2¹³ = 6482639 is a prime.

It is a super-2 number, since 2×6490831² = 84261774141122, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 6490793 and 6490802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6490801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245415 + 3245416.

It is an arithmetic number, because the mean of its divisors is an integer number (3245416).

Almost surely, 2^6490831 is an apocalyptic number.

6490831 is a deficient number, since it is larger than the sum of its proper divisors (1).

6490831 is an equidigital number, since it uses as much as digits as its factorization.

6490831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 6490831 is about 2547.7109333674. The cubic root of 6490831 is about 186.5377642526.

The spelling of 6490831 in words is "six million, four hundred ninety thousand, eight hundred thirty-one".