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52351249 is a prime number
BaseRepresentation
bin1100011110110…
…1000100010001
310122111201102011
43013231010101
5101400214444
65110022521
71203656356
oct307550421
9118451364
1052351249
11276072a5
1215647a41
13aacc692
146d4a62d
1548e1734
hex31ed111

52351249 has 2 divisors, whose sum is σ = 52351250. Its totient is φ = 52351248.

The previous prime is 52351223. The next prime is 52351259. The reversal of 52351249 is 94215325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42315025 + 10036224 = 6505^2 + 3168^2 .

It is a cyclic number.

It is not a de Polignac number, because 52351249 - 25 = 52351217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52351249.

It is not a weakly prime, because it can be changed into another prime (52351259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26175624 + 26175625.

It is an arithmetic number, because the mean of its divisors is an integer number (26175625).

Almost surely, 252351249 is an apocalyptic number.

It is an amenable number.

52351249 is a deficient number, since it is larger than the sum of its proper divisors (1).

52351249 is an equidigital number, since it uses as much as digits as its factorization.

52351249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 52351249 is about 7235.4162976293. The cubic root of 52351249 is about 374.0896412618.

The spelling of 52351249 in words is "fifty-two million, three hundred fifty-one thousand, two hundred forty-nine".