2547988801 has 2 divisors, whose sum is σ = 2547988802. Its totient is φ = 2547988800.

The previous prime is 2547988789. The next prime is 2547988811. The reversal of 2547988801 is 1088897452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1326416400 + 1221572401 = 36420^2 + 34951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2547988801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2547988811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273994400 + 1273994401.

It is an arithmetic number, because the mean of its divisors is an integer number (1273994401).

Almost surely, 2^2547988801 is an apocalyptic number.

It is an amenable number.

2547988801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2547988801 is an equidigital number, since it uses as much as digits as its factorization.

2547988801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 52.

The square root of 2547988801 is about 50477.6069262401. The cubic root of 2547988801 is about 1365.8379378317.

The spelling of 2547988801 in words is "two billion, five hundred forty-seven million, nine hundred eighty-eight thousand, eight hundred one".