461372405 has 8 divisors (see below), whose sum is σ = 596235192. Its totient is φ = 340705728.

The previous prime is 461372399. The next prime is 461372407. The reversal of 461372405 is 504273164.

It can be written as a sum of positive squares in 4 ways, for example, as 70677649 + 390694756 = 8407^2 + 19766^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461372405 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 (461372407) 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, 3548954 + ... + 3549083.

It is an arithmetic number, because the mean of its divisors is an integer number (74529399).

Almost surely, 2^461372405 is an apocalyptic number.

It is an amenable number.

461372405 is a deficient number, since it is larger than the sum of its proper divisors (134862787).

461372405 is a wasteful number, since it uses less digits than its factorization.

461372405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098055.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 461372405 is about 21479.5811178896. The cubic root of 461372405 is about 772.7111965010.

The spelling of 461372405 in words is "four hundred sixty-one million, three hundred seventy-two thousand, four hundred five".