2545417523 has 8 divisors (see below), whose sum is σ = 2810275776. Its totient is φ = 2286135400.

The previous prime is 2545417519. The next prime is 2545417529. The reversal of 2545417523 is 3257145452.

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

It is not a de Polignac number, because 2545417523 - 2² = 2545417519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545417529) 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, 1393073 + ... + 1394898.

It is an arithmetic number, because the mean of its divisors is an integer number (351284472).

Almost surely, 2^2545417523 is an apocalyptic number.

2545417523 is a deficient number, since it is larger than the sum of its proper divisors (264858253).

2545417523 is a wasteful number, since it uses less digits than its factorization.

2545417523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788065.

The product of its digits is 168000, while the sum is 38.

The square root of 2545417523 is about 50452.1310055383. The cubic root of 2545417523 is about 1365.3783425289.

The spelling of 2545417523 in words is "two billion, five hundred forty-five million, four hundred seventeen thousand, five hundred twenty-three".