Search a number
-
+
265131151 is a prime number
BaseRepresentation
bin11111100110110…
…01010010001111
3200110220001120021
433303121102033
51020333144101
642150403011
76366402055
oct1763312217
9613801507
10265131151
11126728a5a
1274960467
1342c0c94c
14272d81d5
15184225a1
hexfcd948f

265131151 has 2 divisors, whose sum is σ = 265131152. Its totient is φ = 265131150.

The previous prime is 265131131. The next prime is 265131199. The reversal of 265131151 is 151131562.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265131151 - 217 = 265000079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265131121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132565575 + 132565576.

It is an arithmetic number, because the mean of its divisors is an integer number (132565576).

Almost surely, 2265131151 is an apocalyptic number.

265131151 is a deficient number, since it is larger than the sum of its proper divisors (1).

265131151 is an equidigital number, since it uses as much as digits as its factorization.

265131151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 25.

The square root of 265131151 is about 16282.8483687591. The cubic root of 265131151 is about 642.4217741015.

The spelling of 265131151 in words is "two hundred sixty-five million, one hundred thirty-one thousand, one hundred fifty-one".