2522654678 has 4 divisors (see below), whose sum is σ = 3783982020. Its totient is φ = 1261327338.

The previous prime is 2522654677. The next prime is 2522654707. The reversal of 2522654678 is 8764562252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522654677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630663668 + ... + 630663671.

It is an arithmetic number, because the mean of its divisors is an integer number (945995505).

Almost surely, 2^2522654678 is an apocalyptic number.

2522654678 is a deficient number, since it is larger than the sum of its proper divisors (1261327342).

2522654678 is a wasteful number, since it uses less digits than its factorization.

2522654678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261327341.

The product of its digits is 1612800, while the sum is 47.

The square root of 2522654678 is about 50226.0358579094. The cubic root of 2522654678 is about 1361.2961040026.

The spelling of 2522654678 in words is "two billion, five hundred twenty-two million, six hundred fifty-four thousand, six hundred seventy-eight".