5400645 has 16 divisors (see below), whose sum is σ = 9149760. Its totient is φ = 2710784.

The previous prime is 5400589. The next prime is 5400649. The reversal of 5400645 is 5460045.

It is a cyclic number.

It is not a de Polignac number, because 5400645 - 2⁶ = 5400581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10335 + ... + 10844.

It is an arithmetic number, because the mean of its divisors is an integer number (571860).

Almost surely, 2^5400645 is an apocalyptic number.

It is an amenable number.

5400645 is a deficient number, since it is larger than the sum of its proper divisors (3749115).

5400645 is a wasteful number, since it uses less digits than its factorization.

5400645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21204.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 5400645 is about 2323.9287854838. The cubic root of 5400645 is about 175.4480491682.

Adding to 5400645 its product of nonzero digits (2400), we get a palindrome (5403045).

The spelling of 5400645 in words is "five million, four hundred thousand, six hundred forty-five".