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52791031 is a prime number
BaseRepresentation
bin1100100101100…
…0011011110111
310200100001200101
43021120123313
5102003303111
65123254531
71210500466
oct311303367
9120301611
1052791031
1127887757
121581a447
13ac248c7
1470229dd
15497bbc1
hex32586f7

52791031 has 2 divisors, whose sum is σ = 52791032. Its totient is φ = 52791030.

The previous prime is 52791029. The next prime is 52791061. The reversal of 52791031 is 13019725.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52791031 - 21 = 52791029 is a prime.

It is a super-2 number, since 2×527910312 = 5573785908085922, which contains 22 as substring.

Together with 52791029, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52791061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26395515 + 26395516.

It is an arithmetic number, because the mean of its divisors is an integer number (26395516).

Almost surely, 252791031 is an apocalyptic number.

52791031 is a deficient number, since it is larger than the sum of its proper divisors (1).

52791031 is an equidigital number, since it uses as much as digits as its factorization.

52791031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 52791031 is about 7265.7436646224. The cubic root of 52791031 is about 375.1342476382.

The spelling of 52791031 in words is "fifty-two million, seven hundred ninety-one thousand, thirty-one".