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1530025213 is a prime number
BaseRepresentation
bin101101100110010…
…0101010011111101
310221122000100000111
41123030211103331
511113141301323
6411453430021
752625666623
oct13314452375
93848010014
101530025213
11715728652
1236849b311
131b4ca5882
141072bb513
158e4cac0d
hex5b3254fd

1530025213 has 2 divisors, whose sum is σ = 1530025214. Its totient is φ = 1530025212.

The previous prime is 1530025201. The next prime is 1530025223. The reversal of 1530025213 is 3125200351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1293265444 + 236759769 = 35962^2 + 15387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1530025213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530025223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765012606 + 765012607.

It is an arithmetic number, because the mean of its divisors is an integer number (765012607).

Almost surely, 21530025213 is an apocalyptic number.

It is an amenable number.

1530025213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530025213 is an equidigital number, since it uses as much as digits as its factorization.

1530025213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1530025213 is about 39115.5367213592. The cubic root of 1530025213 is about 1152.3016820673.

Adding to 1530025213 its reverse (3125200351), we get a palindrome (4655225564).

The spelling of 1530025213 in words is "one billion, five hundred thirty million, twenty-five thousand, two hundred thirteen".