2545262785 has 8 divisors (see below), whose sum is σ = 3289262760. Its totient is φ = 1879578624.

The previous prime is 2545262771. The next prime is 2545262789. The reversal of 2545262785 is 5872625452.

It can be written as a sum of positive squares in 4 ways, for example, as 37356544 + 2507906241 = 6112^2 + 50079^2 .

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 2545262785 - 2¹¹ = 2545260737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545262789) 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, 19578880 + ... + 19579009.

It is an arithmetic number, because the mean of its divisors is an integer number (411157845).

Almost surely, 2^2545262785 is an apocalyptic number.

It is an amenable number.

2545262785 is a deficient number, since it is larger than the sum of its proper divisors (743999975).

2545262785 is a wasteful number, since it uses less digits than its factorization.

2545262785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39157907.

The product of its digits is 1344000, while the sum is 46.

The square root of 2545262785 is about 50450.5974692074. The cubic root of 2545262785 is about 1365.3506744818.

The spelling of 2545262785 in words is "two billion, five hundred forty-five million, two hundred sixty-two thousand, seven hundred eighty-five".