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52580431 is a prime number
BaseRepresentation
bin1100100010010…
…1000001001111
310122221100210101
43020211001033
5101430033211
65114551531
71205632501
oct310450117
9118840711
1052580431
1127753502
12157385a7
13ab7caa7
146da9d71
1549395c1
hex322504f

52580431 has 2 divisors, whose sum is σ = 52580432. Its totient is φ = 52580430.

The previous prime is 52580419. The next prime is 52580447. The reversal of 52580431 is 13408525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52580431 - 213 = 52572239 is a prime.

It is a super-2 number, since 2×525804312 = 5529403448291522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52580431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52580131) 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, 26290215 + 26290216.

It is an arithmetic number, because the mean of its divisors is an integer number (26290216).

Almost surely, 252580431 is an apocalyptic number.

52580431 is a deficient number, since it is larger than the sum of its proper divisors (1).

52580431 is an equidigital number, since it uses as much as digits as its factorization.

52580431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 52580431 is about 7251.2365152435. The cubic root of 52580431 is about 374.6347400463.

Adding to 52580431 its reverse (13408525), we get a palindrome (65988956).

The spelling of 52580431 in words is "fifty-two million, five hundred eighty thousand, four hundred thirty-one".