2453556461 has 4 divisors (see below), whose sum is σ = 2453965500. Its totient is φ = 2453147424.

The previous prime is 2453556437. The next prime is 2453556491. The reversal of 2453556461 is 1646553542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1267787236 + 1185769225 = 35606^2 + 34435^2 .

It is a cyclic number.

It is not a de Polignac number, because 2453556461 - 2¹⁰ = 2453555437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453556491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195386 + ... + 207563.

It is an arithmetic number, because the mean of its divisors is an integer number (613491375).

Almost surely, 2^2453556461 is an apocalyptic number.

It is an amenable number.

2453556461 is a deficient number, since it is larger than the sum of its proper divisors (409039).

2453556461 is an equidigital number, since it uses as much as digits as its factorization.

2453556461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409038.

The product of its digits is 432000, while the sum is 41.

The square root of 2453556461 is about 49533.3873362200. The cubic root of 2453556461 is about 1348.7517425608.

The spelling of 2453556461 in words is "two billion, four hundred fifty-three million, five hundred fifty-six thousand, four hundred sixty-one".