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1025500213 is a prime number
BaseRepresentation
bin111101000111111…
…110010000110101
32122110122210211101
4331013332100311
54100012001323
6245432010101
734261415353
oct7507762065
92573583741
101025500213
11486960541
12247530931
131345c7c7a
149a2a87d3
156006bdad
hex3d1fe435

1025500213 has 2 divisors, whose sum is σ = 1025500214. Its totient is φ = 1025500212.

The previous prime is 1025500187. The next prime is 1025500247. The reversal of 1025500213 is 3120055201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 634133124 + 391367089 = 25182^2 + 19783^2 .

It is an emirp because it is prime and its reverse (3120055201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1025500213 - 213 = 1025492021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025500253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512750106 + 512750107.

It is an arithmetic number, because the mean of its divisors is an integer number (512750107).

Almost surely, 21025500213 is an apocalyptic number.

It is an amenable number.

1025500213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025500213 is an equidigital number, since it uses as much as digits as its factorization.

1025500213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1025500213 is about 32023.4322489017. The cubic root of 1025500213 is about 1008.4288262786.

Adding to 1025500213 its reverse (3120055201), we get a palindrome (4145555414).

The spelling of 1025500213 in words is "one billion, twenty-five million, five hundred thousand, two hundred thirteen".