5420540243 has 8 divisors (see below), whose sum is σ = 5484745200. Its totient is φ = 5356598688.

The previous prime is 5420540233. The next prime is 5420540261. The reversal of 5420540243 is 3420450245.

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 5420540243 - 2²⁸ = 5152104787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5420540233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24296 + ... + 106917.

It is an arithmetic number, because the mean of its divisors is an integer number (685593150).

Almost surely, 2^5420540243 is an apocalyptic number.

5420540243 is a deficient number, since it is larger than the sum of its proper divisors (64204957).

5420540243 is a wasteful number, since it uses less digits than its factorization.

5420540243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131701.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 5420540243 is about 73624.3182854687. The cubic root of 5420540243 is about 1756.6322741981.

Adding to 5420540243 its reverse (3420450245), we get a palindrome (8840990488).

The spelling of 5420540243 in words is "five billion, four hundred twenty million, five hundred forty thousand, two hundred forty-three".