420341451 has 8 divisors (see below), whose sum is σ = 568820544. Its totient is φ = 276045000.

The previous prime is 420341443. The next prime is 420341479. The reversal of 420341451 is 154143024.

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

It is not a de Polignac number, because 420341451 - 2³ = 420341443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420341851) 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, 1045425 + ... + 1045826.

It is an arithmetic number, because the mean of its divisors is an integer number (71102568).

Almost surely, 2^420341451 is an apocalyptic number.

420341451 is a deficient number, since it is larger than the sum of its proper divisors (148479093).

420341451 is a wasteful number, since it uses less digits than its factorization.

420341451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091321.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 420341451 is about 20502.2303908624. The cubic root of 420341451 is about 749.0901268430.

Adding to 420341451 its reverse (154143024), we get a palindrome (574484475).

It can be divided in two parts, 4203 and 41451, that added together give a palindrome (45654).

The spelling of 420341451 in words is "four hundred twenty million, three hundred forty-one thousand, four hundred fifty-one".