420052501 has 8 divisors (see below), whose sum is σ = 474040800. Its totient is φ = 368697840.

The previous prime is 420052481. The next prime is 420052517. The reversal of 420052501 is 105250024.

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

It is a cyclic number.

It is not a de Polignac number, because 420052501 - 2⁵ = 420052469 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 (420055501) 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, 658071 + ... + 658708.

It is an arithmetic number, because the mean of its divisors is an integer number (59255100).

Almost surely, 2^420052501 is an apocalyptic number.

It is an amenable number.

420052501 is a deficient number, since it is larger than the sum of its proper divisors (53988299).

420052501 is a wasteful number, since it uses less digits than its factorization.

420052501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316819.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 420052501 is about 20495.1823851363. The cubic root of 420052501 is about 748.9184416510.

The spelling of 420052501 in words is "four hundred twenty million, fifty-two thousand, five hundred one".