5400245 has 4 divisors (see below), whose sum is σ = 6480300. Its totient is φ = 4320192.

The previous prime is 5400221. The next prime is 5400257. The reversal of 5400245 is 5420045.

It is a happy number.

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 1036324 + 4363921 = 1018^2 + 2089^2 .

It is a cyclic number.

It is not a de Polignac number, because 5400245 - 2¹⁰ = 5399221 is a prime.

It is an Ulam number.

It is a congruent 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, 540020 + ... + 540029.

It is an arithmetic number, because the mean of its divisors is an integer number (1620075).

Almost surely, 2^5400245 is an apocalyptic number.

It is an amenable number.

5400245 is a deficient number, since it is larger than the sum of its proper divisors (1080055).

5400245 is a wasteful number, since it uses less digits than its factorization.

5400245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080054.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 5400245 is about 2323.8427227332. The cubic root of 5400245 is about 175.4437175280.

Adding to 5400245 its product of nonzero digits (800), we get a palindrome (5401045).

The spelling of 5400245 in words is "five million, four hundred thousand, two hundred forty-five".