Search a number
-
+
537148231 is a prime number
BaseRepresentation
bin100000000001000…
…011101101000111
31101102201221211221
4200001003231013
52100002220411
6125144541211
716211453554
oct4001035507
91342657757
10537148231
1125622a464
1212ba81807
13873908b9
14514a5a2b
1532255071
hex20043b47

537148231 has 2 divisors, whose sum is σ = 537148232. Its totient is φ = 537148230.

The previous prime is 537148177. The next prime is 537148243. The reversal of 537148231 is 132841735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 537148231 - 27 = 537148103 is a prime.

It is a super-2 number, since 2×5371482312 = 577056444132858722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537148291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268574115 + 268574116.

It is an arithmetic number, because the mean of its divisors is an integer number (268574116).

Almost surely, 2537148231 is an apocalyptic number.

537148231 is a deficient number, since it is larger than the sum of its proper divisors (1).

537148231 is an equidigital number, since it uses as much as digits as its factorization.

537148231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 537148231 is about 23176.4585517287. The cubic root of 537148231 is about 812.8892555670.

Adding to 537148231 its reverse (132841735), we get a palindrome (669989966).

The spelling of 537148231 in words is "five hundred thirty-seven million, one hundred forty-eight thousand, two hundred thirty-one".