421032361 has 4 divisors (see below), whose sum is σ = 432411652. Its totient is φ = 409653072.

The previous prime is 421032341. The next prime is 421032383. The reversal of 421032361 is 163230124.

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

It can be written as a sum of positive squares in 2 ways, for example, as 266179225 + 154853136 = 16315^2 + 12444^2 .

It is a cyclic number.

It is not a de Polignac number, because 421032361 - 2¹³ = 421024169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421032341) 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, 5689590 + ... + 5689663.

It is an arithmetic number, because the mean of its divisors is an integer number (108102913).

Almost surely, 2^421032361 is an apocalyptic number.

It is an amenable number.

421032361 is a deficient number, since it is larger than the sum of its proper divisors (11379291).

421032361 is a wasteful number, since it uses less digits than its factorization.

421032361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11379290.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 421032361 is about 20519.0731028475. The cubic root of 421032361 is about 749.5003255449.

Adding to 421032361 its reverse (163230124), we get a palindrome (584262485).

The spelling of 421032361 in words is "four hundred twenty-one million, thirty-two thousand, three hundred sixty-one".