421324527 has 8 divisors (see below), whose sum is σ = 604978864. Its totient is φ = 259276608.

The previous prime is 421324523. The next prime is 421324531. The reversal of 421324527 is 725423124.

It is an interprime number because it is at equal distance from previous prime (421324523) and next prime (421324531).

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

It is not a de Polignac number, because 421324527 - 2² = 421324523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421324494 and 421324503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421324523) 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, 5401558 + ... + 5401635.

It is an arithmetic number, because the mean of its divisors is an integer number (75622358).

Almost surely, 2^421324527 is an apocalyptic number.

421324527 is a deficient number, since it is larger than the sum of its proper divisors (183654337).

421324527 is a wasteful number, since it uses less digits than its factorization.

421324527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10803209.

The product of its digits is 13440, while the sum is 30.

The square root of 421324527 is about 20526.1912443590. The cubic root of 421324527 is about 749.6736517942.

The spelling of 421324527 in words is "four hundred twenty-one million, three hundred twenty-four thousand, five hundred twenty-seven".