1461601 has 2 divisors, whose sum is σ = 1461602. Its totient is φ = 1461600.

The previous prime is 1461599. The next prime is 1461623. The reversal of 1461601 is 1061641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 421201 = 1020^2 + 649^2 .

It is a cyclic number.

It is not a de Polignac number, because 1461601 - 2¹ = 1461599 is a prime.

Together with 1461599, it forms a pair of twin primes.

1461601 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1461631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730800 + 730801.

It is an arithmetic number, because the mean of its divisors is an integer number (730801).

2^1461601 is an apocalyptic number.

It is an amenable number.

1461601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461601 is an equidigital number, since it uses as much as digits as its factorization.

1461601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1461601 is about 1208.9669143529. The cubic root of 1461601 is about 113.4861711499.

The spelling of 1461601 in words is "one million, four hundred sixty-one thousand, six hundred one".