541249957 has 2 divisors, whose sum is σ = 541249958. Its totient is φ = 541249956.

The previous prime is 541249937. The next prime is 541250033. The reversal of 541249957 is 759942145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401040676 + 140209281 = 20026^2 + 11841^2 .

It is a cyclic number.

It is not a de Polignac number, because 541249957 - 2⁷ = 541249829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541249937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270624978 + 270624979.

It is an arithmetic number, because the mean of its divisors is an integer number (270624979).

Almost surely, 2^541249957 is an apocalyptic number.

It is an amenable number.

541249957 is a deficient number, since it is larger than the sum of its proper divisors (1).

541249957 is an equidigital number, since it uses as much as digits as its factorization.

541249957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 46.

The square root of 541249957 is about 23264.7793241200. The cubic root of 541249957 is about 814.9531166025.

The spelling of 541249957 in words is "five hundred forty-one million, two hundred forty-nine thousand, nine hundred fifty-seven".