2563540477 has 8 divisors (see below), whose sum is σ = 2699084160. Its totient is φ = 2428058880.

The previous prime is 2563540471. The next prime is 2563540493. The reversal of 2563540477 is 7740453652.

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 2563540477 - 2¹¹ = 2563538429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563540471) 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 in 7 ways as a sum of consecutive naturals, for example, 86493 + ... + 112285.

It is an arithmetic number, because the mean of its divisors is an integer number (337385520).

Almost surely, 2^2563540477 is an apocalyptic number.

It is an amenable number.

2563540477 is a deficient number, since it is larger than the sum of its proper divisors (135543683).

2563540477 is a wasteful number, since it uses less digits than its factorization.

2563540477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31043.

The product of its (nonzero) digits is 705600, while the sum is 43.

The square root of 2563540477 is about 50631.4178845507. The cubic root of 2563540477 is about 1368.6111054351.

The spelling of 2563540477 in words is "two billion, five hundred sixty-three million, five hundred forty thousand, four hundred seventy-seven".