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572552381 is a prime number
BaseRepresentation
bin100010001000000…
…111010010111101
31110220100200012202
4202020013102331
52133033134011
6132451441245
720121420632
oct4210072275
91426320182
10572552381
11274211095
1213b8b6225
13918085bb
1456080189
15353ea23b
hex222074bd

572552381 has 2 divisors, whose sum is σ = 572552382. Its totient is φ = 572552380.

The previous prime is 572552377. The next prime is 572552411. The reversal of 572552381 is 183255275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378925156 + 193627225 = 19466^2 + 13915^2 .

It is a cyclic number.

It is not a de Polignac number, because 572552381 - 22 = 572552377 is a prime.

It is a super-2 number, since 2×5725523812 = 655632457977538322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572552311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286276190 + 286276191.

It is an arithmetic number, because the mean of its divisors is an integer number (286276191).

Almost surely, 2572552381 is an apocalyptic number.

It is an amenable number.

572552381 is a deficient number, since it is larger than the sum of its proper divisors (1).

572552381 is an equidigital number, since it uses as much as digits as its factorization.

572552381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 38.

The square root of 572552381 is about 23928.0668044872. The cubic root of 572552381 is about 830.3701745520.

The spelling of 572552381 in words is "five hundred seventy-two million, five hundred fifty-two thousand, three hundred eighty-one".