2025126566 has 4 divisors (see below), whose sum is σ = 3037689852. Its totient is φ = 1012563282.

The previous prime is 2025126541. The next prime is 2025126583. The reversal of 2025126566 is 6656215202.

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

It is a super-2 number, since 2×2025126566² = 8202275216637904712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506281640 + ... + 506281643.

It is an arithmetic number, because the mean of its divisors is an integer number (759422463).

Almost surely, 2^2025126566 is an apocalyptic number.

2025126566 is a deficient number, since it is larger than the sum of its proper divisors (1012563286).

2025126566 is a wasteful number, since it uses less digits than its factorization.

2025126566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012563285.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2025126566 is about 45001.4062669157. The cubic root of 2025126566 is about 1265.1753554032.

The spelling of 2025126566 in words is "two billion, twenty-five million, one hundred twenty-six thousand, five hundred sixty-six".