421200527 has 4 divisors (see below), whose sum is σ = 459491496. Its totient is φ = 382909560.

The previous prime is 421200499. The next prime is 421200529. The reversal of 421200527 is 725002124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 421200527 - 2⁶ = 421200463 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 (421200529) 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, 19145468 + ... + 19145489.

It is an arithmetic number, because the mean of its divisors is an integer number (114872874).

Almost surely, 2^421200527 is an apocalyptic number.

421200527 is a deficient number, since it is larger than the sum of its proper divisors (38290969).

421200527 is a wasteful number, since it uses less digits than its factorization.

421200527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38290968.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 421200527 is about 20523.1704909354. The cubic root of 421200527 is about 749.6000991066.

The spelling of 421200527 in words is "four hundred twenty-one million, two hundred thousand, five hundred twenty-seven".