2545782063 has 16 divisors (see below), whose sum is σ = 3739623552. Its totient is φ = 1527620000.

The previous prime is 2545782061. The next prime is 2545782131. The reversal of 2545782063 is 3602875452.

It is a cyclic number.

It is not a de Polignac number, because 2545782063 - 2¹ = 2545782061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545782061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378573 + ... + 385238.

It is an arithmetic number, because the mean of its divisors is an integer number (233726472).

Almost surely, 2^2545782063 is an apocalyptic number.

2545782063 is a deficient number, since it is larger than the sum of its proper divisors (1193841489).

2545782063 is a wasteful number, since it uses less digits than its factorization.

2545782063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763926.

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 2545782063 is about 50455.7436076409. The cubic root of 2545782063 is about 1365.4435199516.

The spelling of 2545782063 in words is "two billion, five hundred forty-five million, seven hundred eighty-two thousand, sixty-three".