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531322201 is a prime number
BaseRepresentation
bin11111101010110…
…101010101011001
31101000202222001001
4133222311111121
52042004302301
6124420025001
716111110214
oct3752652531
91330688031
10531322201
11252a10263
12129b32161
1386100b47
14507ca77b
15319a3c01
hex1fab5559

531322201 has 2 divisors, whose sum is σ = 531322202. Its totient is φ = 531322200.

The previous prime is 531322177. The next prime is 531322217. The reversal of 531322201 is 102223135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 526656601 + 4665600 = 22949^2 + 2160^2 .

It is a cyclic number.

It is not a de Polignac number, because 531322201 - 27 = 531322073 is a prime.

It is not a weakly prime, because it can be changed into another prime (531322291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265661100 + 265661101.

It is an arithmetic number, because the mean of its divisors is an integer number (265661101).

Almost surely, 2531322201 is an apocalyptic number.

It is an amenable number.

531322201 is a deficient number, since it is larger than the sum of its proper divisors (1).

531322201 is an equidigital number, since it uses as much as digits as its factorization.

531322201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 531322201 is about 23050.4273496176. The cubic root of 531322201 is about 809.9396393572.

Adding to 531322201 its reverse (102223135), we get a palindrome (633545336).

The spelling of 531322201 in words is "five hundred thirty-one million, three hundred twenty-two thousand, two hundred one".