541251979 has 2 divisors, whose sum is σ = 541251980. Its totient is φ = 541251978.

The previous prime is 541251943. The next prime is 541251983. The reversal of 541251979 is 979152145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 541251979 - 2¹¹ = 541249931 is a prime.

It is not a weakly prime, because it can be changed into another prime (541251079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270625989 + 270625990.

It is an arithmetic number, because the mean of its divisors is an integer number (270625990).

Almost surely, 2^541251979 is an apocalyptic number.

541251979 is a deficient number, since it is larger than the sum of its proper divisors (1).

541251979 is an equidigital number, since it uses as much as digits as its factorization.

541251979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 43.

The square root of 541251979 is about 23264.8227803265. The cubic root of 541251979 is about 814.9541314344.

The spelling of 541251979 in words is "five hundred forty-one million, two hundred fifty-one thousand, nine hundred seventy-nine".