5420451 has 8 divisors (see below), whose sum is σ = 7395520. Its totient is φ = 3529512.

The previous prime is 5420449. The next prime is 5420473. The reversal of 5420451 is 1540245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5420451 - 2¹ = 5420449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5420431) 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, 20881 + ... + 21138.

It is an arithmetic number, because the mean of its divisors is an integer number (924440).

Almost surely, 2^5420451 is an apocalyptic number.

5420451 is a deficient number, since it is larger than the sum of its proper divisors (1975069).

5420451 is a wasteful number, since it uses less digits than its factorization.

5420451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42065.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 5420451 is about 2328.1862038935. The cubic root of 5420451 is about 175.6622633831.

Adding to 5420451 its reverse (1540245), we get a palindrome (6960696).

The spelling of 5420451 in words is "five million, four hundred twenty thousand, four hundred fifty-one".