Search a number
-
+
5245015397 is a prime number
BaseRepresentation
bin1001110001010000…
…01001010101100101
3111112112102101111112
410320220021111211
541220210443042
62224242514405
7243655616036
oct47050112545
914475371445
105245015397
112251746776
121024665a05
1365784750b
1437a840a8d
1520a703982
hex138a09565

5245015397 has 2 divisors, whose sum is σ = 5245015398. Its totient is φ = 5245015396.

The previous prime is 5245015393. The next prime is 5245015421. The reversal of 5245015397 is 7935105425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4451691841 + 793323556 = 66721^2 + 28166^2 .

It is a cyclic number.

It is not a de Polignac number, because 5245015397 - 22 = 5245015393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5245015393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622507698 + 2622507699.

It is an arithmetic number, because the mean of its divisors is an integer number (2622507699).

Almost surely, 25245015397 is an apocalyptic number.

It is an amenable number.

5245015397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5245015397 is an equidigital number, since it uses as much as digits as its factorization.

5245015397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 5245015397 is about 72422.4785339469. The cubic root of 5245015397 is about 1737.4630970683.

The spelling of 5245015397 in words is "five billion, two hundred forty-five million, fifteen thousand, three hundred ninety-seven".