2663525651 has 4 divisors (see below), whose sum is σ = 2725468152. Its totient is φ = 2601583152.

The previous prime is 2663525629. The next prime is 2663525663. The reversal of 2663525651 is 1565253662.

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

It is a cyclic number.

It is not a de Polignac number, because 2663525651 - 2⁶ = 2663525587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2663525599 and 2663525608.

It is not an unprimeable number, because it can be changed into a prime (2663525671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30971186 + ... + 30971271.

It is an arithmetic number, because the mean of its divisors is an integer number (681367038).

Almost surely, 2^2663525651 is an apocalyptic number.

2663525651 is a deficient number, since it is larger than the sum of its proper divisors (61942501).

2663525651 is an equidigital number, since it uses as much as digits as its factorization.

2663525651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61942500.

The product of its digits is 324000, while the sum is 41.

The square root of 2663525651 is about 51609.3562350859. The cubic root of 2663525651 is about 1386.1778701334.

The spelling of 2663525651 in words is "two billion, six hundred sixty-three million, five hundred twenty-five thousand, six hundred fifty-one".