2725065451 has 4 divisors (see below), whose sum is σ = 2791530504. Its totient is φ = 2658600400.

The previous prime is 2725065449. The next prime is 2725065463. The reversal of 2725065451 is 1545605272.

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 2725065451 - 2¹ = 2725065449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2725065451.

It is not an unprimeable number, because it can be changed into a prime (2725065401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33232465 + ... + 33232546.

It is an arithmetic number, because the mean of its divisors is an integer number (697882626).

Almost surely, 2^2725065451 is an apocalyptic number.

2725065451 is a deficient number, since it is larger than the sum of its proper divisors (66465053).

2725065451 is an equidigital number, since it uses as much as digits as its factorization.

2725065451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66465052.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 2725065451 is about 52202.1594476704. The cubic root of 2725065451 is about 1396.7724033378.

The spelling of 2725065451 in words is "two billion, seven hundred twenty-five million, sixty-five thousand, four hundred fifty-one".