2546564503 has 8 divisors (see below), whose sum is σ = 2933276672. Its totient is φ = 2165581656.

The previous prime is 2546564483. The next prime is 2546564519. The reversal of 2546564503 is 3054656452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2546564503 - 2⁹ = 2546563991 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 (2546564563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1431375 + ... + 1433152.

It is an arithmetic number, because the mean of its divisors is an integer number (366659584).

Almost surely, 2^2546564503 is an apocalyptic number.

2546564503 is a deficient number, since it is larger than the sum of its proper divisors (386712169).

2546564503 is a wasteful number, since it uses less digits than its factorization.

2546564503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864661.

The product of its (nonzero) digits is 432000, while the sum is 40.

The square root of 2546564503 is about 50463.4967377410. The cubic root of 2546564503 is about 1365.5833942176.

The spelling of 2546564503 in words is "two billion, five hundred forty-six million, five hundred sixty-four thousand, five hundred three".