2545507123 has 8 divisors (see below), whose sum is σ = 2664631296. Its totient is φ = 2428696200.

The previous prime is 2545507109. The next prime is 2545507157. The reversal of 2545507123 is 3217055452.

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 2545507123 - 2²⁹ = 2008636211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545507183) 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, 576061 + ... + 580462.

It is an arithmetic number, because the mean of its divisors is an integer number (333078912).

Almost surely, 2^2545507123 is an apocalyptic number.

2545507123 is a deficient number, since it is larger than the sum of its proper divisors (119124173).

2545507123 is a wasteful number, since it uses less digits than its factorization.

2545507123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156625.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 2545507123 is about 50453.0189681450. The cubic root of 2545507123 is about 1365.3943630131.

The spelling of 2545507123 in words is "two billion, five hundred forty-five million, five hundred seven thousand, one hundred twenty-three".