420937501 has 8 divisors (see below), whose sum is σ = 429305184. Its totient is φ = 412585680.

The previous prime is 420937477. The next prime is 420937507. The reversal of 420937501 is 105739024.

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 420937501 - 2¹⁵ = 420904733 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 (420937507) 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, 59566 + ... + 66256.

It is an arithmetic number, because the mean of its divisors is an integer number (53663148).

Almost surely, 2^420937501 is an apocalyptic number.

It is an amenable number.

420937501 is a deficient number, since it is larger than the sum of its proper divisors (8367683).

420937501 is a wasteful number, since it uses less digits than its factorization.

420937501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7931.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 420937501 is about 20516.7614647146. The cubic root of 420937501 is about 749.4440330065. Note that the first 3 decimals are identical.

It can be divided in two parts, 42093 and 7501, that added together give a palindrome (49594).

The spelling of 420937501 in words is "four hundred twenty million, nine hundred thirty-seven thousand, five hundred one".