420532113 has 4 divisors (see below), whose sum is σ = 560709488. Its totient is φ = 280354740.

The previous prime is 420532097. The next prime is 420532141. The reversal of 420532113 is 311235024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 420532113 - 2⁴ = 420532097 is a prime.

It is a super-3 number, since 3×420532113³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 420532113.

It is not an unprimeable number, because it can be changed into a prime (420532163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70088683 + ... + 70088688.

It is an arithmetic number, because the mean of its divisors is an integer number (140177372).

Almost surely, 2^420532113 is an apocalyptic number.

It is an amenable number.

420532113 is a deficient number, since it is larger than the sum of its proper divisors (140177375).

420532113 is a wasteful number, since it uses less digits than its factorization.

420532113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140177374.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 420532113 is about 20506.8796504978. The cubic root of 420532113 is about 749.2033692500.

Adding to 420532113 its reverse (311235024), we get a palindrome (731767137).

The spelling of 420532113 in words is "four hundred twenty million, five hundred thirty-two thousand, one hundred thirteen".