5420536451 has 4 divisors (see below), whose sum is σ = 5913312504. Its totient is φ = 4927760400.

The previous prime is 5420536447. The next prime is 5420536463. The reversal of 5420536451 is 1546350245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5420536451 - 2² = 5420536447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5420536951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246388010 + ... + 246388031.

It is an arithmetic number, because the mean of its divisors is an integer number (1478328126).

Almost surely, 2^5420536451 is an apocalyptic number.

5420536451 is a deficient number, since it is larger than the sum of its proper divisors (492776053).

5420536451 is a wasteful number, since it uses less digits than its factorization.

5420536451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492776052.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 5420536451 is about 73624.2925331035. The cubic root of 5420536451 is about 1756.6318645741.

Adding to 5420536451 its reverse (1546350245), we get a palindrome (6966886696).

The spelling of 5420536451 in words is "five billion, four hundred twenty million, five hundred thirty-six thousand, four hundred fifty-one".