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52130591 is a prime number
BaseRepresentation
bin1100011011011…
…1001100011111
310122002111201122
43012313030133
5101321134331
65101201155
71202050142
oct306671437
9118074648
1052130591
1127476537
12155601bb
13aa53106
146cd0059
15489b17b
hex31b731f

52130591 has 2 divisors, whose sum is σ = 52130592. Its totient is φ = 52130590.

The previous prime is 52130563. The next prime is 52130597. The reversal of 52130591 is 19503125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52130591 - 26 = 52130527 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52130591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52130597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26065295 + 26065296.

It is an arithmetic number, because the mean of its divisors is an integer number (26065296).

Almost surely, 252130591 is an apocalyptic number.

52130591 is a deficient number, since it is larger than the sum of its proper divisors (1).

52130591 is an equidigital number, since it uses as much as digits as its factorization.

52130591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 52130591 is about 7220.1517297076. The cubic root of 52130591 is about 373.5633111257.

The spelling of 52130591 in words is "fifty-two million, one hundred thirty thousand, five hundred ninety-one".