2563142026 has 4 divisors (see below), whose sum is σ = 3844713042. Its totient is φ = 1281571012.

The previous prime is 2563141993. The next prime is 2563142041. The reversal of 2563142026 is 6202413652.

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

It can be written as a sum of positive squares in only one way, i.e., 1980161001 + 582981025 = 44499^2 + 24145^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640785505 + ... + 640785508.

Almost surely, 2^2563142026 is an apocalyptic number.

2563142026 is a deficient number, since it is larger than the sum of its proper divisors (1281571016).

2563142026 is a wasteful number, since it uses less digits than its factorization.

2563142026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281571015.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2563142026 is about 50627.4829119521. The cubic root of 2563142026 is about 1368.5401940369.

Adding to 2563142026 its reverse (6202413652), we get a palindrome (8765555678).

The spelling of 2563142026 in words is "two billion, five hundred sixty-three million, one hundred forty-two thousand, twenty-six".