2546622257 has 2 divisors, whose sum is σ = 2546622258. Its totient is φ = 2546622256.

The previous prime is 2546622227. The next prime is 2546622271. The reversal of 2546622257 is 7522266452.

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., 2095442176 + 451180081 = 45776^2 + 21241^2 .

It is a cyclic number.

It is not a de Polignac number, because 2546622257 - 2¹² = 2546618161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2546622227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273311128 + 1273311129.

It is an arithmetic number, because the mean of its divisors is an integer number (1273311129).

Almost surely, 2^2546622257 is an apocalyptic number.

It is an amenable number.

2546622257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2546622257 is an equidigital number, since it uses as much as digits as its factorization.

2546622257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 41.

The square root of 2546622257 is about 50464.0689699117. The cubic root of 2546622257 is about 1365.5937175777.

The spelling of 2546622257 in words is "two billion, five hundred forty-six million, six hundred twenty-two thousand, two hundred fifty-seven".