Search a number
-
+
470825261 is a prime number
BaseRepresentation
bin11100000100000…
…011100100101101
31012210221101211122
4130010003210231
51431012402021
6114415230325
714444643254
oct3404034455
91183841748
10470825261
1122184aa95
121118183a5
137670b93a
144675d79b
152b503bab
hex1c10392d

470825261 has 2 divisors, whose sum is σ = 470825262. Its totient is φ = 470825260.

The previous prime is 470825231. The next prime is 470825279. The reversal of 470825261 is 162528074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251222500 + 219602761 = 15850^2 + 14819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-470825261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470825231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235412630 + 235412631.

It is an arithmetic number, because the mean of its divisors is an integer number (235412631).

Almost surely, 2470825261 is an apocalyptic number.

It is an amenable number.

470825261 is a deficient number, since it is larger than the sum of its proper divisors (1).

470825261 is an equidigital number, since it uses as much as digits as its factorization.

470825261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 470825261 is about 21698.5082666989. The cubic root of 470825261 is about 777.9528066174.

The spelling of 470825261 in words is "four hundred seventy million, eight hundred twenty-five thousand, two hundred sixty-one".