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325369381 is a prime number
BaseRepresentation
bin10011011001001…
…011111000100101
3211200020110212211
4103121023320211
51131243310011
652141443421
711030410531
oct2331137045
9750213784
10325369381
11157731917
1290b70571
135254117c
14312d8bc1
151d870b21
hex1364be25

325369381 has 2 divisors, whose sum is σ = 325369382. Its totient is φ = 325369380.

The previous prime is 325369361. The next prime is 325369417. The reversal of 325369381 is 183963523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236236900 + 89132481 = 15370^2 + 9441^2 .

It is an emirp because it is prime and its reverse (183963523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325369381 - 25 = 325369349 is a prime.

It is a super-3 number, since 3×3253693813 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325369351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162684690 + 162684691.

It is an arithmetic number, because the mean of its divisors is an integer number (162684691).

Almost surely, 2325369381 is an apocalyptic number.

It is an amenable number.

325369381 is a deficient number, since it is larger than the sum of its proper divisors (1).

325369381 is an equidigital number, since it uses as much as digits as its factorization.

325369381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The square root of 325369381 is about 18037.9982536866. The cubic root of 325369381 is about 687.7948089249.

The spelling of 325369381 in words is "three hundred twenty-five million, three hundred sixty-nine thousand, three hundred eighty-one".