421116526 has 8 divisors (see below), whose sum is σ = 632771280. Its totient is φ = 210192768.

The previous prime is 421116523. The next prime is 421116539. The reversal of 421116526 is 625611124.

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

It is a junction number, because it is equal to n+sod(n) for n = 421116494 and 421116503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421116523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181306 + ... + 183613.

It is an arithmetic number, because the mean of its divisors is an integer number (79096410).

Almost surely, 2^421116526 is an apocalyptic number.

421116526 is a deficient number, since it is larger than the sum of its proper divisors (211654754).

421116526 is a wasteful number, since it uses less digits than its factorization.

421116526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365498.

The product of its digits is 2880, while the sum is 28.

The square root of 421116526 is about 20521.1238970969. The cubic root of 421116526 is about 749.5502642969.

The spelling of 421116526 in words is "four hundred twenty-one million, one hundred sixteen thousand, five hundred twenty-six".