420525052 has 12 divisors (see below), whose sum is σ = 742671160. Its totient is φ = 208333296.

The previous prime is 420525023. The next prime is 420525097. The reversal of 420525052 is 250525024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481818 + ... + 482689.

Almost surely, 2^420525052 is an apocalyptic number.

It is an amenable number.

420525052 is a deficient number, since it is larger than the sum of its proper divisors (322146108).

420525052 is a wasteful number, since it uses less digits than its factorization.

420525052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964620 (or 964618 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 420525052 is about 20506.7074880391. The cubic root of 420525052 is about 749.1991760271.

The spelling of 420525052 in words is "four hundred twenty million, five hundred twenty-five thousand, fifty-two".