421525359 has 6 divisors (see below), whose sum is σ = 608869976. Its totient is φ = 281016900.

The previous prime is 421525343. The next prime is 421525373. The reversal of 421525359 is 953525124.

It is a happy number.

It is not a de Polignac number, because 421525359 - 2⁴ = 421525343 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 (421525309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23418067 + ... + 23418084.

Almost surely, 2^421525359 is an apocalyptic number.

421525359 is a deficient number, since it is larger than the sum of its proper divisors (187344617).

421525359 is a wasteful number, since it uses less digits than its factorization.

421525359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46836157 (or 46836154 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 421525359 is about 20531.0827527435. The cubic root of 421525359 is about 749.7927480675.

The spelling of 421525359 in words is "four hundred twenty-one million, five hundred twenty-five thousand, three hundred fifty-nine".