1463540401 has 4 divisors (see below), whose sum is σ = 1463617012. Its totient is φ = 1463463792.

The previous prime is 1463540381. The next prime is 1463540413. The reversal of 1463540401 is 1040453641.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1049824801 + 413715600 = 32401^2 + 20340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1463540401 - 2²³ = 1455151793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1463540401.

It is not an unprimeable number, because it can be changed into a prime (1463540501) 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 in 3 ways as a sum of consecutive naturals, for example, 16255 + ... + 56491.

It is an arithmetic number, because the mean of its divisors is an integer number (365904253).

Almost surely, 2^1463540401 is an apocalyptic number.

It is an amenable number.

1463540401 is a deficient number, since it is larger than the sum of its proper divisors (76611).

1463540401 is an equidigital number, since it uses as much as digits as its factorization.

1463540401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76610.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1463540401 is about 38256.2465618361. The cubic root of 1463540401 is about 1135.3634396660.

The spelling of 1463540401 in words is "one billion, four hundred sixty-three million, five hundred forty thousand, four hundred one".