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325130191 is a prime number
BaseRepresentation
bin10011011000010…
…001011111001111
3211122210022202221
4103120101133033
51131213131231
652132400211
711025363301
oct2330213717
9748708687
10325130191
11157589141
1290a76067
1352489339
1431275971
151d824d11
hex136117cf

325130191 has 2 divisors, whose sum is σ = 325130192. Its totient is φ = 325130190.

The previous prime is 325130189. The next prime is 325130233. The reversal of 325130191 is 191031523.

It is a weak prime.

It is an emirp because it is prime and its reverse (191031523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325130191 - 21 = 325130189 is a prime.

Together with 325130189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325130131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162565095 + 162565096.

It is an arithmetic number, because the mean of its divisors is an integer number (162565096).

Almost surely, 2325130191 is an apocalyptic number.

325130191 is a deficient number, since it is larger than the sum of its proper divisors (1).

325130191 is an equidigital number, since it uses as much as digits as its factorization.

325130191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 325130191 is about 18031.3668644393. The cubic root of 325130191 is about 687.6262272251.

The spelling of 325130191 in words is "three hundred twenty-five million, one hundred thirty thousand, one hundred ninety-one".