Search a number
-
+
2475531557 is a prime number
BaseRepresentation
bin1001001110001101…
…1001110100100101
320101112011000212222
42103203121310211
520032214002212
61045351122125
7115226446112
oct22343316445
96345130788
102475531557
111060411554
12591073345
13305b43195
14196ac1909
15e74e5c72
hex938d9d25

2475531557 has 2 divisors, whose sum is σ = 2475531558. Its totient is φ = 2475531556.

The previous prime is 2475531533. The next prime is 2475531587. The reversal of 2475531557 is 7551355742.

2475531557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2245432996 + 230098561 = 47386^2 + 15169^2 .

It is a cyclic number.

It is not a de Polignac number, because 2475531557 - 28 = 2475531301 is a prime.

It is a super-2 number, since 2×24755315572 = 12256512979405688498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2475531587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1237765778 + 1237765779.

It is an arithmetic number, because the mean of its divisors is an integer number (1237765779).

Almost surely, 22475531557 is an apocalyptic number.

It is an amenable number.

2475531557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2475531557 is an equidigital number, since it uses as much as digits as its factorization.

2475531557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 735000, while the sum is 44.

The square root of 2475531557 is about 49754.7139173767. The cubic root of 2475531557 is about 1352.7664454112.

The spelling of 2475531557 in words is "two billion, four hundred seventy-five million, five hundred thirty-one thousand, five hundred fifty-seven".