541951973 has 2 divisors, whose sum is σ = 541951974. Its totient is φ = 541951972.

The previous prime is 541951957. The next prime is 541951997. The reversal of 541951973 is 379159145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469242244 + 72709729 = 21662^2 + 8527^2 .

It is a cyclic number.

It is not a de Polignac number, because 541951973 - 2⁴ = 541951957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541951673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270975986 + 270975987.

It is an arithmetic number, because the mean of its divisors is an integer number (270975987).

Almost surely, 2^541951973 is an apocalyptic number.

It is an amenable number.

541951973 is a deficient number, since it is larger than the sum of its proper divisors (1).

541951973 is an equidigital number, since it uses as much as digits as its factorization.

541951973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 44.

The square root of 541951973 is about 23279.8619626492. The cubic root of 541951973 is about 815.3053032095.

The spelling of 541951973 in words is "five hundred forty-one million, nine hundred fifty-one thousand, nine hundred seventy-three".