1254948577 has 2 divisors, whose sum is σ = 1254948578. Its totient is φ = 1254948576.

The previous prime is 1254948553. The next prime is 1254948587. The reversal of 1254948577 is 7758494521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 643078881 + 611869696 = 25359^2 + 24736^2 .

It is an emirp because it is prime and its reverse (7758494521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254948577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254948587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627474288 + 627474289.

It is an arithmetic number, because the mean of its divisors is an integer number (627474289).

Almost surely, 2^1254948577 is an apocalyptic number.

It is an amenable number.

1254948577 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254948577 is an equidigital number, since it uses as much as digits as its factorization.

1254948577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2822400, while the sum is 52.

The square root of 1254948577 is about 35425.2533794749. The cubic root of 1254948577 is about 1078.6369913936.

The spelling of 1254948577 in words is "one billion, two hundred fifty-four million, nine hundred forty-eight thousand, five hundred seventy-seven".