571452149 has 2 divisors, whose sum is σ = 571452150. Its totient is φ = 571452148.

The previous prime is 571452073. The next prime is 571452157. The reversal of 571452149 is 941254175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556629649 + 14822500 = 23593^2 + 3850^2 .

It is a cyclic number.

It is not a de Polignac number, because 571452149 - 2²⁰ = 570403573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (571452199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285726074 + 285726075.

It is an arithmetic number, because the mean of its divisors is an integer number (285726075).

Almost surely, 2^571452149 is an apocalyptic number.

It is an amenable number.

571452149 is a deficient number, since it is larger than the sum of its proper divisors (1).

571452149 is an equidigital number, since it uses as much as digits as its factorization.

571452149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 38.

The square root of 571452149 is about 23905.0653418894. The cubic root of 571452149 is about 829.8379462977.

The spelling of 571452149 in words is "five hundred seventy-one million, four hundred fifty-two thousand, one hundred forty-nine".