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574252981 is a prime number
BaseRepresentation
bin100010001110100…
…110011110110101
31111000120001222221
4202032212132311
52134002043411
6132552122341
720142032641
oct4216463665
91430501887
10574252981
11275172845
121403963b1
1391c82683
14563a3c21
1535634071
hex223a67b5

574252981 has 2 divisors, whose sum is σ = 574252982. Its totient is φ = 574252980.

The previous prime is 574252969. The next prime is 574252997. The reversal of 574252981 is 189252475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546858225 + 27394756 = 23385^2 + 5234^2 .

It is a cyclic number.

It is not a de Polignac number, because 574252981 - 25 = 574252949 is a prime.

It is a super-2 number, since 2×5742529812 = 659532972374772722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (574252951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287126490 + 287126491.

It is an arithmetic number, because the mean of its divisors is an integer number (287126491).

Almost surely, 2574252981 is an apocalyptic number.

It is an amenable number.

574252981 is a deficient number, since it is larger than the sum of its proper divisors (1).

574252981 is an equidigital number, since it uses as much as digits as its factorization.

574252981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 574252981 is about 23963.5761312872. The cubic root of 574252981 is about 831.1914861406.

It can be divided in two parts, 57425 and 2981, that added together give a palindrome (60406).

The spelling of 574252981 in words is "five hundred seventy-four million, two hundred fifty-two thousand, nine hundred eighty-one".