1461947601 has 8 divisors (see below), whose sum is σ = 1986042240. Its totient is φ = 956242352.

The previous prime is 1461947593. The next prime is 1461947603. The reversal of 1461947601 is 1067491641.

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 1461947601 - 2³ = 1461947593 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1461947601.

It is not an unprimeable number, because it can be changed into a prime (1461947603) 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, 4597161 + ... + 4597478.

It is an arithmetic number, because the mean of its divisors is an integer number (248255280).

Almost surely, 2^1461947601 is an apocalyptic number.

It is an amenable number.

1461947601 is a deficient number, since it is larger than the sum of its proper divisors (524094639).

1461947601 is an equidigital number, since it uses as much as digits as its factorization.

1461947601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194695.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1461947601 is about 38235.4233793743. The cubic root of 1461947601 is about 1134.9514106519.

The spelling of 1461947601 in words is "one billion, four hundred sixty-one million, nine hundred forty-seven thousand, six hundred one".