5400637 has 4 divisors (see below), whose sum is σ = 5891616. Its totient is φ = 4909660.

The previous prime is 5400589. The next prime is 5400649. The reversal of 5400637 is 7360045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5400637 is a prime.

It is a Duffinian number.

5400637 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245473 + ... + 245494.

It is an arithmetic number, because the mean of its divisors is an integer number (1472904).

Almost surely, 2^5400637 is an apocalyptic number.

It is an amenable number.

5400637 is a deficient number, since it is larger than the sum of its proper divisors (490979).

5400637 is a wasteful number, since it uses less digits than its factorization.

5400637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490978.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 5400637 is about 2323.9270642600. The cubic root of 5400637 is about 175.4479625375.

The spelling of 5400637 in words is "five million, four hundred thousand, six hundred thirty-seven".