2563474785 has 32 divisors (see below), whose sum is σ = 4239793152. Its totient is φ = 1321232640.

The previous prime is 2563474783. The next prime is 2563474787. The reversal of 2563474785 is 5874743652.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2563474783) and next prime (2563474787).

It is not a de Polignac number, because 2563474785 - 2¹ = 2563474783 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2563474783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367147 + ... + 374063.

It is an arithmetic number, because the mean of its divisors is an integer number (132493536).

Almost surely, 2^2563474785 is an apocalyptic number.

It is an amenable number.

2563474785 is a deficient number, since it is larger than the sum of its proper divisors (1676318367).

2563474785 is a wasteful number, since it uses less digits than its factorization.

2563474785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7753.

The product of its digits is 5644800, while the sum is 51.

The square root of 2563474785 is about 50630.7691527593. The cubic root of 2563474785 is about 1368.5994148885.

The spelling of 2563474785 in words is "two billion, five hundred sixty-three million, four hundred seventy-four thousand, seven hundred eighty-five".