5402785 has 4 divisors (see below), whose sum is σ = 6483348. Its totient is φ = 4322224.

The previous prime is 5402759. The next prime is 5402819. The reversal of 5402785 is 5872045.

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 767376 + 4635409 = 876^2 + 2153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5402785 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540274 + ... + 540283.

It is an arithmetic number, because the mean of its divisors is an integer number (1620837).

Almost surely, 2^5402785 is an apocalyptic number.

It is an amenable number.

5402785 is a deficient number, since it is larger than the sum of its proper divisors (1080563).

5402785 is a wasteful number, since it uses less digits than its factorization.

5402785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080562.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 5402785 is about 2324.3891670716. The cubic root of 5402785 is about 175.4712198107.

The spelling of 5402785 in words is "five million, four hundred two thousand, seven hundred eighty-five".