Search a number
-
+
52130657 is a prime number
BaseRepresentation
bin1100011011011…
…1001101100001
310122002111211002
43012313031201
5101321140112
65101201345
71202050265
oct306671541
9118074732
1052130657
1127476597
1215560255
13aa53157
146cd00a5
15489b1c2
hex31b7361

52130657 has 2 divisors, whose sum is σ = 52130658. Its totient is φ = 52130656.

The previous prime is 52130647. The next prime is 52130671. The reversal of 52130657 is 75603125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36772096 + 15358561 = 6064^2 + 3919^2 .

It is a cyclic number.

It is not a de Polignac number, because 52130657 - 214 = 52114273 is a prime.

It is not a weakly prime, because it can be changed into another prime (52130647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26065328 + 26065329.

It is an arithmetic number, because the mean of its divisors is an integer number (26065329).

Almost surely, 252130657 is an apocalyptic number.

It is an amenable number.

52130657 is a deficient number, since it is larger than the sum of its proper divisors (1).

52130657 is an equidigital number, since it uses as much as digits as its factorization.

52130657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 52130657 is about 7220.1563002472. The cubic root of 52130657 is about 373.5634687757.

The spelling of 52130657 in words is "fifty-two million, one hundred thirty thousand, six hundred fifty-seven".