2545797601 has 8 divisors (see below), whose sum is σ = 2601282600. Its totient is φ = 2490588672.

The previous prime is 2545797587. The next prime is 2545797641. The reversal of 2545797601 is 1067975452.

It can be written as a sum of positive squares in 4 ways, for example, as 1548501201 + 997296400 = 39351^2 + 31580^2 .

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 2545797601 - 2⁷ = 2545797473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545797641) 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, 50320 + ... + 87313.

It is an arithmetic number, because the mean of its divisors is an integer number (325160325).

Almost surely, 2^2545797601 is an apocalyptic number.

It is an amenable number.

2545797601 is a deficient number, since it is larger than the sum of its proper divisors (55484999).

2545797601 is a wasteful number, since it uses less digits than its factorization.

2545797601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138035.

The product of its (nonzero) digits is 529200, while the sum is 46.

The square root of 2545797601 is about 50455.8975839297. The cubic root of 2545797601 is about 1365.4462979085.

The spelling of 2545797601 in words is "two billion, five hundred forty-five million, seven hundred ninety-seven thousand, six hundred one".