2544152461 has 4 divisors (see below), whose sum is σ = 2547878112. Its totient is φ = 2540426812.

The previous prime is 2544152447. The next prime is 2544152473. The reversal of 2544152461 is 1642514452.

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 a cyclic number.

It is not a de Polignac number, because 2544152461 - 2¹⁵ = 2544119693 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 (2544150461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1861801 + ... + 1863166.

It is an arithmetic number, because the mean of its divisors is an integer number (636969528).

Almost surely, 2^2544152461 is an apocalyptic number.

It is an amenable number.

2544152461 is a deficient number, since it is larger than the sum of its proper divisors (3725651).

2544152461 is an equidigital number, since it uses as much as digits as its factorization.

2544152461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725650.

The product of its digits is 38400, while the sum is 34.

The square root of 2544152461 is about 50439.5921970033. The cubic root of 2544152461 is about 1365.1521092460.

The spelling of 2544152461 in words is "two billion, five hundred forty-four million, one hundred fifty-two thousand, four hundred sixty-one".