420059591 has 8 divisors (see below), whose sum is σ = 480768384. Its totient is φ = 359525880.

The previous prime is 420059573. The next prime is 420059611. The reversal of 420059591 is 195950024.

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

It is not a de Polignac number, because 420059591 - 2¹⁴ = 420043207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420059891) 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, 38585 + ... + 48258.

It is an arithmetic number, because the mean of its divisors is an integer number (60096048).

Almost surely, 2^420059591 is an apocalyptic number.

420059591 is a deficient number, since it is larger than the sum of its proper divisors (60708793).

420059591 is an equidigital number, since it uses as much as digits as its factorization.

420059591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87541.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 420059591 is about 20495.3553518840. The cubic root of 420059591 is about 748.9226552528.

The spelling of 420059591 in words is "four hundred twenty million, fifty-nine thousand, five hundred ninety-one".