Search a number
-
+
675455897 is a prime number
BaseRepresentation
bin101000010000101…
…010001110011001
31202001222201022002
4220100222032121
52340404042042
6151005210345
722511165114
oct5020521631
91661881262
10675455897
11317306016
1216a2609b5
13a9c2785c
14659c957b
153e475132
hex2842a399

675455897 has 2 divisors, whose sum is σ = 675455898. Its totient is φ = 675455896.

The previous prime is 675455861. The next prime is 675455923. The reversal of 675455897 is 798554576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469848976 + 205606921 = 21676^2 + 14339^2 .

It is a cyclic number.

It is not a de Polignac number, because 675455897 - 210 = 675454873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (675455857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337727948 + 337727949.

It is an arithmetic number, because the mean of its divisors is an integer number (337727949).

Almost surely, 2675455897 is an apocalyptic number.

It is an amenable number.

675455897 is a deficient number, since it is larger than the sum of its proper divisors (1).

675455897 is an equidigital number, since it uses as much as digits as its factorization.

675455897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584000, while the sum is 56.

The square root of 675455897 is about 25989.5343744362. The cubic root of 675455897 is about 877.4027660434.

The spelling of 675455897 in words is "six hundred seventy-five million, four hundred fifty-five thousand, eight hundred ninety-seven".