5642345 has 8 divisors (see below), whose sum is σ = 6821064. Its totient is φ = 4480384.

The previous prime is 5642323. The next prime is 5642359. The reversal of 5642345 is 5432465.

It can be written as a sum of positive squares in 4 ways, for example, as 994009 + 4648336 = 997^2 + 2156^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5642345 - 2⁶ = 5642281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3434 + ... + 4803.

It is an arithmetic number, because the mean of its divisors is an integer number (852633).

Almost surely, 2^5642345 is an apocalyptic number.

It is an amenable number.

5642345 is a deficient number, since it is larger than the sum of its proper divisors (1178719).

5642345 is a wasteful number, since it uses less digits than its factorization.

5642345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379.

The product of its digits is 14400, while the sum is 29.

The square root of 5642345 is about 2375.3620776631. The cubic root of 5642345 is about 178.0272756250.

The spelling of 5642345 in words is "five million, six hundred forty-two thousand, three hundred forty-five".