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3225195881 is a prime number
BaseRepresentation
bin1100000000111100…
…1001010101101001
322022202202221000022
43000033021111221
523101122232011
61252011050225
7142631466305
oct30017112551
98282687008
103225195881
1114055a2446
12760140975
133c5250c3b
142284a6d05
1513d2288db
hexc03c9569

3225195881 has 2 divisors, whose sum is σ = 3225195882. Its totient is φ = 3225195880.

The previous prime is 3225195871. The next prime is 3225195899. The reversal of 3225195881 is 1885915223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1978470400 + 1246725481 = 44480^2 + 35309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3225195881 is a prime.

It is a super-2 number, since 2×32251958812 = 20803776941638732322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3225195811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612597940 + 1612597941.

It is an arithmetic number, because the mean of its divisors is an integer number (1612597941).

Almost surely, 23225195881 is an apocalyptic number.

It is an amenable number.

3225195881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3225195881 is an equidigital number, since it uses as much as digits as its factorization.

3225195881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 44.

The square root of 3225195881 is about 56790.8080678555. The cubic root of 3225195881 is about 1477.4700936359.

The spelling of 3225195881 in words is "three billion, two hundred twenty-five million, one hundred ninety-five thousand, eight hundred eighty-one".