Search a number
-
+
525054961 is a prime number
BaseRepresentation
bin11111010010111…
…011001111110001
31100120222120000001
4133102323033301
52033403224321
6124033430001
716003615324
oct3722731761
91316876001
10525054961
1124a41a622
12127a0b301
1384a18312
144da387bb
1531166c91
hex1f4bb3f1

525054961 has 2 divisors, whose sum is σ = 525054962. Its totient is φ = 525054960.

The previous prime is 525054953. The next prime is 525055009. The reversal of 525054961 is 169450525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485364961 + 39690000 = 22031^2 + 6300^2 .

It is a cyclic number.

It is not a de Polignac number, because 525054961 - 23 = 525054953 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 525054961.

It is not a weakly prime, because it can be changed into another prime (525054931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262527480 + 262527481.

It is an arithmetic number, because the mean of its divisors is an integer number (262527481).

Almost surely, 2525054961 is an apocalyptic number.

It is an amenable number.

525054961 is a deficient number, since it is larger than the sum of its proper divisors (1).

525054961 is an equidigital number, since it uses as much as digits as its factorization.

525054961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 525054961 is about 22914.0777907382. The cubic root of 525054961 is about 806.7424730306.

The spelling of 525054961 in words is "five hundred twenty-five million, fifty-four thousand, nine hundred sixty-one".