420175243 has 8 divisors (see below), whose sum is σ = 422309888. Its totient is φ = 418046184.

The previous prime is 420175237. The next prime is 420175267. The reversal of 420175243 is 342571024.

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

It is a cyclic number.

It is not a de Polignac number, because 420175243 - 2⁹ = 420174731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420115243) 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, 251830 + ... + 253492.

It is an arithmetic number, because the mean of its divisors is an integer number (52788736).

Almost surely, 2^420175243 is an apocalyptic number.

420175243 is a deficient number, since it is larger than the sum of its proper divisors (2134645).

420175243 is a wasteful number, since it uses less digits than its factorization.

420175243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 420175243 is about 20498.1765774422. The cubic root of 420175243 is about 748.9913807837.

The spelling of 420175243 in words is "four hundred twenty million, one hundred seventy-five thousand, two hundred forty-three".