2545401517 has 8 divisors (see below), whose sum is σ = 2696391936. Its totient is φ = 2394551232.

The previous prime is 2545401491. The next prime is 2545401539. The reversal of 2545401517 is 7151045452.

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 2545401517 - 2⁷ = 2545401389 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 (2545401017) 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, 3598 + ... + 71440.

It is an arithmetic number, because the mean of its divisors is an integer number (337048992).

Almost surely, 2^2545401517 is an apocalyptic number.

It is an amenable number.

2545401517 is a deficient number, since it is larger than the sum of its proper divisors (150990419).

2545401517 is a wasteful number, since it uses less digits than its factorization.

2545401517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70067.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 2545401517 is about 50451.9723796801. The cubic root of 2545401517 is about 1365.3754806157.

Adding to 2545401517 its reverse (7151045452), we get a palindrome (9696446969).

The spelling of 2545401517 in words is "two billion, five hundred forty-five million, four hundred one thousand, five hundred seventeen".