421523050 has 48 divisors (see below), whose sum is σ = 864991512. Its totient is φ = 151833600.

The previous prime is 421523029. The next prime is 421523051. The reversal of 421523050 is 50325124.

It can be written as a sum of positive squares in 12 ways, for example, as 1089 + 421521961 = 33^2 + 20531^2 .

It is not an unprimeable number, because it can be changed into a prime (421523051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18742 + ... + 34558.

Almost surely, 2^421523050 is an apocalyptic number.

421523050 is an abundant number, since it is smaller than the sum of its proper divisors (443468462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421523050 is a wasteful number, since it uses less digits than its factorization.

421523050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15883 (or 15878 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 421523050 is about 20531.0265208537. The cubic root of 421523050 is about 749.7913790121.

Adding to 421523050 its reverse (50325124), we get a palindrome (471848174).

The spelling of 421523050 in words is "four hundred twenty-one million, five hundred twenty-three thousand, fifty".