2563695 has 24 divisors (see below), whose sum is σ = 4638816. Its totient is φ = 1307328.

The previous prime is 2563679. The next prime is 2563711. The reversal of 2563695 is 5963652.

2563695 is a `hidden beast` number, since 2 + 563 + 6 + 95 = 666.

It is an interprime number because it is at equal distance from previous prime (2563679) and next prime (2563711).

It is not a de Polignac number, because 2563695 - 2⁴ = 2563679 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204 + ... + 2273.

It is an arithmetic number, because the mean of its divisors is an integer number (193284).

2^2563695 is an apocalyptic number.

2563695 is a deficient number, since it is larger than the sum of its proper divisors (2075121).

2563695 is a wasteful number, since it uses less digits than its factorization.

2563695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511 (or 2508 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 2563695 is about 1601.1542711432. The cubic root of 2563695 is about 136.8638603557.

The spelling of 2563695 in words is "two million, five hundred sixty-three thousand, six hundred ninety-five".