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574312021 is a prime number
BaseRepresentation
bin100010001110110…
…100111001010101
31111000200001222121
4202032310321111
52134010441041
6132553255541
720142400033
oct4216647125
91430601877
10574312021
11275203138
121404045b1
1391ca34ca
14563bb553
15356467d1
hex223b4e55

574312021 has 2 divisors, whose sum is σ = 574312022. Its totient is φ = 574312020.

The previous prime is 574311973. The next prime is 574312049. The reversal of 574312021 is 120213475.

It is a happy number.

574312021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515789521 + 58522500 = 22711^2 + 7650^2 .

It is a cyclic number.

It is not a de Polignac number, because 574312021 - 27 = 574311893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (574382021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287156010 + 287156011.

It is an arithmetic number, because the mean of its divisors is an integer number (287156011).

Almost surely, 2574312021 is an apocalyptic number.

It is an amenable number.

574312021 is a deficient number, since it is larger than the sum of its proper divisors (1).

574312021 is an equidigital number, since it uses as much as digits as its factorization.

574312021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 574312021 is about 23964.8079691868. The cubic root of 574312021 is about 831.2199706038.

Adding to 574312021 its reverse (120213475), we get a palindrome (694525496).

The spelling of 574312021 in words is "five hundred seventy-four million, three hundred twelve thousand, twenty-one".