461253189 has 8 divisors (see below), whose sum is σ = 615583840. Its totient is φ = 307212336.

The previous prime is 461253181. The next prime is 461253193. The reversal of 461253189 is 981352164.

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

It is not a de Polignac number, because 461253189 - 2³ = 461253181 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 (461253181) 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, 68707 + ... + 75120.

It is an arithmetic number, because the mean of its divisors is an integer number (76947980).

Almost surely, 2^461253189 is an apocalyptic number.

It is an amenable number.

461253189 is a deficient number, since it is larger than the sum of its proper divisors (154330651).

461253189 is a wasteful number, since it uses less digits than its factorization.

461253189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144899.

The product of its digits is 51840, while the sum is 39.

The square root of 461253189 is about 21476.8058379266. The cubic root of 461253189 is about 772.6446360446.

The spelling of 461253189 in words is "four hundred sixty-one million, two hundred fifty-three thousand, one hundred eighty-nine".