6291245 has 8 divisors (see below), whose sum is σ = 7733880. Its totient is φ = 4910080.

The previous prime is 6291217. The next prime is 6291247. The reversal of 6291245 is 5421926.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 894916 + 5396329 = 946^2 + 2323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6291245 - 2²⁰ = 5242669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6291247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15140 + ... + 15549.

It is an arithmetic number, because the mean of its divisors is an integer number (966735).

Almost surely, 2^6291245 is an apocalyptic number.

It is an amenable number.

6291245 is a deficient number, since it is larger than the sum of its proper divisors (1442635).

6291245 is a wasteful number, since it uses less digits than its factorization.

6291245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30735.

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

The square root of 6291245 is about 2508.2354355204. The cubic root of 6291245 is about 184.6058812104.

The spelling of 6291245 in words is "six million, two hundred ninety-one thousand, two hundred forty-five".