2545465785 has 8 divisors (see below), whose sum is σ = 4072745280. Its totient is φ = 1357581744.

The previous prime is 2545465763. The next prime is 2545465789. The reversal of 2545465785 is 5875645452.

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

It is not a de Polignac number, because 2545465785 - 2¹⁵ = 2545433017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545465789) 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, 84848845 + ... + 84848874.

It is an arithmetic number, because the mean of its divisors is an integer number (509093160).

Almost surely, 2^2545465785 is an apocalyptic number.

It is an amenable number.

2545465785 is a deficient number, since it is larger than the sum of its proper divisors (1527279495).

2545465785 is a wasteful number, since it uses less digits than its factorization.

2545465785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169697727.

The product of its digits is 6720000, while the sum is 51.

The square root of 2545465785 is about 50452.6092982315. The cubic root of 2545465785 is about 1365.3869718235.

The spelling of 2545465785 in words is "two billion, five hundred forty-five million, four hundred sixty-five thousand, seven hundred eighty-five".