2545650503 has 8 divisors (see below), whose sum is σ = 2781399936. Its totient is φ = 2310622200.

The previous prime is 2545650487. The next prime is 2545650551. The reversal of 2545650503 is 3050565452.

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

It is a cyclic number.

It is not a de Polignac number, because 2545650503 - 2⁴ = 2545650487 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545650593) 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 7 ways as a sum of consecutive naturals, for example, 172883 + ... + 187028.

It is an arithmetic number, because the mean of its divisors is an integer number (347674992).

Almost surely, 2^2545650503 is an apocalyptic number.

2545650503 is a deficient number, since it is larger than the sum of its proper divisors (235749433).

2545650503 is a wasteful number, since it uses less digits than its factorization.

2545650503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360565.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 2545650503 is about 50454.4398740091. The cubic root of 2545650503 is about 1365.4199985818.

The spelling of 2545650503 in words is "two billion, five hundred forty-five million, six hundred fifty thousand, five hundred three".