254532557 has 2 divisors, whose sum is σ = 254532558. Its totient is φ = 254532556.

The previous prime is 254532541. The next prime is 254532581. The reversal of 254532557 is 755235452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201810436 + 52722121 = 14206^2 + 7261^2 .

It is a cyclic number.

It is not a de Polignac number, because 254532557 - 2⁴ = 254532541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254532557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254532757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127266278 + 127266279.

It is an arithmetic number, because the mean of its divisors is an integer number (127266279).

Almost surely, 2^254532557 is an apocalyptic number.

It is an amenable number.

254532557 is a deficient number, since it is larger than the sum of its proper divisors (1).

254532557 is an equidigital number, since it uses as much as digits as its factorization.

254532557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 210000, while the sum is 38.

The square root of 254532557 is about 15954.0765010075. The cubic root of 254532557 is about 633.7448553230.

The spelling of 254532557 in words is "two hundred fifty-four million, five hundred thirty-two thousand, five hundred fifty-seven".