6401345 has 8 divisors (see below), whose sum is σ = 7929600. Its totient is φ = 4955760.

The previous prime is 6401341. The next prime is 6401357. The reversal of 6401345 is 5431046.

It is a happy number.

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

It is not a de Polignac number, because 6401345 - 2² = 6401341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6401345.

It is not an unprimeable number, because it can be changed into a prime (6401341) 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, 20495 + ... + 20804.

It is an arithmetic number, because the mean of its divisors is an integer number (991200).

Almost surely, 2^6401345 is an apocalyptic number.

It is an amenable number.

6401345 is a deficient number, since it is larger than the sum of its proper divisors (1528255).

6401345 is a wasteful number, since it uses less digits than its factorization.

6401345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41335.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 6401345 is about 2530.0879431356. The cubic root of 6401345 is about 185.6765585522.

Subtracting from 6401345 its reverse (5431046), we obtain a cube (970299 = 99³).

The spelling of 6401345 in words is "six million, four hundred one thousand, three hundred forty-five".