1254517001 has 2 divisors, whose sum is σ = 1254517002. Its totient is φ = 1254517000.

The previous prime is 1254516983. The next prime is 1254517007. The reversal of 1254517001 is 1007154521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 941262400 + 313254601 = 30680^2 + 17699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254517001 - 2⁶ = 1254516937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254517007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627258500 + 627258501.

It is an arithmetic number, because the mean of its divisors is an integer number (627258501).

Almost surely, 2^1254517001 is an apocalyptic number.

It is an amenable number.

1254517001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254517001 is an equidigital number, since it uses as much as digits as its factorization.

1254517001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1254517001 is about 35419.1614948745. The cubic root of 1254517001 is about 1078.5133296967.

The spelling of 1254517001 in words is "one billion, two hundred fifty-four million, five hundred seventeen thousand, one".