2125044651 has 8 divisors (see below), whose sum is σ = 2842504704. Its totient is φ = 1412140520.

The previous prime is 2125044631. The next prime is 2125044661. The reversal of 2125044651 is 1564405212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2125044651 - 2⁹ = 2125044139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125044631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137891 + ... + 1139756.

It is an arithmetic number, because the mean of its divisors is an integer number (355313088).

Almost surely, 2^2125044651 is an apocalyptic number.

2125044651 is a deficient number, since it is larger than the sum of its proper divisors (717460053).

2125044651 is a wasteful number, since it uses less digits than its factorization.

2125044651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277961.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2125044651 is about 46098.2065920140. The cubic root of 2125044651 is about 1285.6497999950.

Adding to 2125044651 its reverse (1564405212), we get a palindrome (3689449863).

The spelling of 2125044651 in words is "two billion, one hundred twenty-five million, forty-four thousand, six hundred fifty-one".