6422529 has 4 divisors (see below), whose sum is σ = 8563376. Its totient is φ = 4281684.

The previous prime is 6422519. The next prime is 6422531. The reversal of 6422529 is 9252246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-6422529 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6422496 and 6422505.

It is not an unprimeable number, because it can be changed into a prime (6422509) 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, 1070419 + ... + 1070424.

It is an arithmetic number, because the mean of its divisors is an integer number (2140844).

It is a Proth number, since it is equal to 49 ⋅ 2¹⁷ + 1 and 49 < 2¹⁷.

Almost surely, 2^6422529 is an apocalyptic number.

It is an amenable number.

6422529 is a deficient number, since it is larger than the sum of its proper divisors (2140847).

6422529 is a wasteful number, since it uses less digits than its factorization.

6422529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140846.

The product of its digits is 8640, while the sum is 30.

The square root of 6422529 is about 2534.2709010680. The cubic root of 6422529 is about 185.8811531214.

The spelling of 6422529 in words is "six million, four hundred twenty-two thousand, five hundred twenty-nine".