2545257417 has 8 divisors (see below), whose sum is σ = 3485397696. Its totient is φ = 1650977712.

The previous prime is 2545257397. The next prime is 2545257437. The reversal of 2545257417 is 7147525452.

It is an interprime number because it is at equal distance from previous prime (2545257397) and next prime (2545257437).

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

It is not a de Polignac number, because 2545257417 - 2⁶ = 2545257353 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2545257437) 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, 11465013 + ... + 11465234.

It is an arithmetic number, because the mean of its divisors is an integer number (435674712).

Almost surely, 2^2545257417 is an apocalyptic number.

It is an amenable number.

2545257417 is a deficient number, since it is larger than the sum of its proper divisors (940140279).

2545257417 is a wasteful number, since it uses less digits than its factorization.

2545257417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22930287.

The product of its digits is 392000, while the sum is 42.

The square root of 2545257417 is about 50450.5442686201. The cubic root of 2545257417 is about 1365.3497146323.

The spelling of 2545257417 in words is "two billion, five hundred forty-five million, two hundred fifty-seven thousand, four hundred seventeen".