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52090697 is a prime number
BaseRepresentation
bin1100011010110…
…1011101001001
310122000111000002
43012231131021
5101313400242
65100252345
71201522631
oct306553511
9118014002
1052090697
112744956a
12155410b5
13aa3abc9
146cbd6c1
15488e432
hex31ad749

52090697 has 2 divisors, whose sum is σ = 52090698. Its totient is φ = 52090696.

The previous prime is 52090663. The next prime is 52090729. The reversal of 52090697 is 79609025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49970761 + 2119936 = 7069^2 + 1456^2 .

It is a cyclic number.

It is not a de Polignac number, because 52090697 - 222 = 47896393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52090697.

It is not a weakly prime, because it can be changed into another prime (52090637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26045348 + 26045349.

It is an arithmetic number, because the mean of its divisors is an integer number (26045349).

Almost surely, 252090697 is an apocalyptic number.

It is an amenable number.

52090697 is a deficient number, since it is larger than the sum of its proper divisors (1).

52090697 is an equidigital number, since it uses as much as digits as its factorization.

52090697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 52090697 is about 7217.3885166312. The cubic root of 52090697 is about 373.4679944881.

The spelling of 52090697 in words is "fifty-two million, ninety thousand, six hundred ninety-seven".