731201461 has 2 divisors, whose sum is σ = 731201462. Its totient is φ = 731201460.

The previous prime is 731201353. The next prime is 731201477. The reversal of 731201461 is 164102137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 723879025 + 7322436 = 26905^2 + 2706^2 .

It is an emirp because it is prime and its reverse (164102137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 731201461 - 2¹⁵ = 731168693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (731201561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365600730 + 365600731.

It is an arithmetic number, because the mean of its divisors is an integer number (365600731).

Almost surely, 2^731201461 is an apocalyptic number.

It is an amenable number.

731201461 is a deficient number, since it is larger than the sum of its proper divisors (1).

731201461 is an equidigital number, since it uses as much as digits as its factorization.

731201461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 731201461 is about 27040.7370646586. The cubic root of 731201461 is about 900.9050406143.

Adding to 731201461 its reverse (164102137), we get a palindrome (895303598).

The spelling of 731201461 in words is "seven hundred thirty-one million, two hundred one thousand, four hundred sixty-one".