6361445 has 4 divisors (see below), whose sum is σ = 7633740. Its totient is φ = 5089152.

The previous prime is 6361429. The next prime is 6361457. The reversal of 6361445 is 5441636.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2365444 + 3996001 = 1538^2 + 1999^2 .

It is a cyclic number.

It is not a de Polignac number, because 6361445 - 2⁴ = 6361429 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636140 + ... + 636149.

It is an arithmetic number, because the mean of its divisors is an integer number (1908435).

Almost surely, 2^6361445 is an apocalyptic number.

It is an amenable number.

6361445 is a deficient number, since it is larger than the sum of its proper divisors (1272295).

6361445 is a wasteful number, since it uses less digits than its factorization.

6361445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272294.

The product of its digits is 8640, while the sum is 29.

The square root of 6361445 is about 2522.1905161982. The cubic root of 6361445 is about 185.2899762140.

The spelling of 6361445 in words is "six million, three hundred sixty-one thousand, four hundred forty-five".