2547255994 has 4 divisors (see below), whose sum is σ = 3820883994. Its totient is φ = 1273627996.

The previous prime is 2547255983. The next prime is 2547256001. The reversal of 2547255994 is 4995527452.

It is a happy number.

2547255994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 2541672225 + 5583769 = 50415^2 + 2363^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636813997 + ... + 636814000.

Almost surely, 2^2547255994 is an apocalyptic number.

2547255994 is a deficient number, since it is larger than the sum of its proper divisors (1273628000).

2547255994 is a wasteful number, since it uses less digits than its factorization.

2547255994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273627999.

The product of its digits is 4536000, while the sum is 52.

The square root of 2547255994 is about 50470.3476706868. The cubic root of 2547255994 is about 1365.7069859779.

The spelling of 2547255994 in words is "two billion, five hundred forty-seven million, two hundred fifty-five thousand, nine hundred ninety-four".