2552172977 has 2 divisors, whose sum is σ = 2552172978. Its totient is φ = 2552172976.

The previous prime is 2552172949. The next prime is 2552172983. The reversal of 2552172977 is 7792712552.

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., 2472177841 + 79995136 = 49721^2 + 8944^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552172977 - 2¹⁰ = 2552171953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2552172947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276086488 + 1276086489.

It is an arithmetic number, because the mean of its divisors is an integer number (1276086489).

Almost surely, 2^2552172977 is an apocalyptic number.

It is an amenable number.

2552172977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552172977 is an equidigital number, since it uses as much as digits as its factorization.

2552172977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617400, while the sum is 47.

The square root of 2552172977 is about 50519.0357885025. The cubic root of 2552172977 is about 1366.5851652039.

The spelling of 2552172977 in words is "two billion, five hundred fifty-two million, one hundred seventy-two thousand, nine hundred seventy-seven".