420031573 has 8 divisors (see below), whose sum is σ = 452667488. Its totient is φ = 387442224.

The previous prime is 420031559. The next prime is 420031583. The reversal of 420031573 is 375130024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420031573 - 2⁵ = 420031541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420031583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8386 + ... + 30172.

It is an arithmetic number, because the mean of its divisors is an integer number (56583436).

Almost surely, 2^420031573 is an apocalyptic number.

It is an amenable number.

420031573 is a deficient number, since it is larger than the sum of its proper divisors (32635915).

420031573 is a wasteful number, since it uses less digits than its factorization.

420031573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23283.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 420031573 is about 20494.6718197682. The cubic root of 420031573 is about 748.9060038205.

Adding to 420031573 its reverse (375130024), we get a palindrome (795161597).

The spelling of 420031573 in words is "four hundred twenty million, thirty-one thousand, five hundred seventy-three".