2545257772 has 12 divisors (see below), whose sum is σ = 4498302816. Its totient is φ = 1260028400.

The previous prime is 2545257721. The next prime is 2545257779. The reversal of 2545257772 is 2777525452.

It is not an unprimeable number, because it can be changed into a prime (2545257779) 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, 3149668 + ... + 3150475.

It is an arithmetic number, because the mean of its divisors is an integer number (374858568).

Almost surely, 2^2545257772 is an apocalyptic number.

It is an amenable number.

2545257772 is a deficient number, since it is larger than the sum of its proper divisors (1953045044).

2545257772 is a wasteful number, since it uses less digits than its factorization.

2545257772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300248 (or 6300246 counting only the distinct ones).

The product of its digits is 1372000, while the sum is 46.

The square root of 2545257772 is about 50450.5477869170. The cubic root of 2545257772 is about 1365.3497781097.

The spelling of 2545257772 in words is "two billion, five hundred forty-five million, two hundred fifty-seven thousand, seven hundred seventy-two".