6426137 has 4 divisors (see below), whose sum is σ = 6444900. Its totient is φ = 6407376.

The previous prime is 6426113. The next prime is 6426149. The reversal of 6426137 is 7316246.

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 3200521 + 3225616 = 1789^2 + 1796^2 .

It is a cyclic number.

It is not a de Polignac number, because 6426137 - 2¹² = 6422041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6426157) 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, 8858 + ... + 9555.

It is an arithmetic number, because the mean of its divisors is an integer number (1611225).

Almost surely, 2^6426137 is an apocalyptic number.

It is an amenable number.

6426137 is a deficient number, since it is larger than the sum of its proper divisors (18763).

6426137 is a wasteful number, since it uses less digits than its factorization.

6426137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18762.

The product of its digits is 6048, while the sum is 29.

The square root of 6426137 is about 2534.9826429386. The cubic root of 6426137 is about 185.9159542438.

The spelling of 6426137 in words is "six million, four hundred twenty-six thousand, one hundred thirty-seven".