6353381 has 4 divisors (see below), whose sum is σ = 6525132. Its totient is φ = 6181632.

The previous prime is 6353377. The next prime is 6353383. The reversal of 6353381 is 1833536.

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 4368100 + 1985281 = 2090^2 + 1409^2 .

It is a cyclic number.

It is not a de Polignac number, because 6353381 - 2² = 6353377 is a prime.

It is a super-2 number, since 2×6353381² = 80730900262322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6353383) 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, 85820 + ... + 85893.

It is an arithmetic number, because the mean of its divisors is an integer number (1631283).

Almost surely, 2^6353381 is an apocalyptic number.

It is an amenable number.

6353381 is a deficient number, since it is larger than the sum of its proper divisors (171751).

6353381 is a wasteful number, since it uses less digits than its factorization.

6353381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171750.

The product of its digits is 6480, while the sum is 29.

The square root of 6353381 is about 2520.5913988586. The cubic root of 6353381 is about 185.2116496613.

The spelling of 6353381 in words is "six million, three hundred fifty-three thousand, three hundred eighty-one".