2545571536 has 10 divisors (see below), whose sum is σ = 4932044882. Its totient is φ = 1272785760.

The previous prime is 2545571533. The next prime is 2545571549. The reversal of 2545571536 is 6351755452.

It can be written as a sum of positive squares in only one way, i.e., 2474067600 + 71503936 = 49740^2 + 8456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2545571492 and 2545571501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545571533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79549095 + ... + 79549126.

Almost surely, 2^2545571536 is an apocalyptic number.

It is an amenable number.

2545571536 is a deficient number, since it is larger than the sum of its proper divisors (2386473346).

2545571536 is a wasteful number, since it uses less digits than its factorization.

2545571536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159098229 (or 159098223 counting only the distinct ones).

The product of its digits is 630000, while the sum is 43.

The square root of 2545571536 is about 50453.6573104468. The cubic root of 2545571536 is about 1365.4058798283.

The spelling of 2545571536 in words is "two billion, five hundred forty-five million, five hundred seventy-one thousand, five hundred thirty-six".