421527052 has 6 divisors (see below), whose sum is σ = 737672348. Its totient is φ = 210763524.

The previous prime is 421527047. The next prime is 421527059. The reversal of 421527052 is 250725124.

It is a self number, because there is not a number n which added to its sum of digits gives 421527052.

It is not an unprimeable number, because it can be changed into a prime (421527059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52690878 + ... + 52690885.

Almost surely, 2^421527052 is an apocalyptic number.

It is an amenable number.

421527052 is a deficient number, since it is larger than the sum of its proper divisors (316145296).

421527052 is a wasteful number, since it uses less digits than its factorization.

421527052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105381767 (or 105381765 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 421527052 is about 20531.1239828705. The cubic root of 421527052 is about 749.7937518801.

The spelling of 421527052 in words is "four hundred twenty-one million, five hundred twenty-seven thousand, fifty-two".