6490451 has 4 divisors (see below), whose sum is σ = 7080504. Its totient is φ = 5900400.

The previous prime is 6490427. The next prime is 6490483. The reversal of 6490451 is 1540946.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-6490451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6490411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295010 + ... + 295031.

It is an arithmetic number, because the mean of its divisors is an integer number (1770126).

Almost surely, 2^6490451 is an apocalyptic number.

6490451 is a deficient number, since it is larger than the sum of its proper divisors (590053).

6490451 is a wasteful number, since it uses less digits than its factorization.

6490451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590052.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6490451 is about 2547.6363555264. The cubic root of 6490451 is about 186.5341239517.

It can be divided in two parts, 6490 and 451, that multiplied together give a triangular number (2926990 = T₂₄₁₉).

The spelling of 6490451 in words is "six million, four hundred ninety thousand, four hundred fifty-one".