1461725553 has 4 divisors (see below), whose sum is σ = 1948967408. Its totient is φ = 974483700.

The previous prime is 1461725543. The next prime is 1461725557. The reversal of 1461725553 is 3555271641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1461725553 - 2¹⁰ = 1461724529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1461725557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243620923 + ... + 243620928.

It is an arithmetic number, because the mean of its divisors is an integer number (487241852).

Almost surely, 2^1461725553 is an apocalyptic number.

It is an amenable number.

1461725553 is a deficient number, since it is larger than the sum of its proper divisors (487241855).

1461725553 is an equidigital number, since it uses as much as digits as its factorization.

1461725553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487241854.

The product of its digits is 126000, while the sum is 39.

The square root of 1461725553 is about 38232.5195743100. The cubic root of 1461725553 is about 1134.8939470213.

The spelling of 1461725553 in words is "one billion, four hundred sixty-one million, seven hundred twenty-five thousand, five hundred fifty-three".