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1151352197 is a prime number
BaseRepresentation
bin100010010100000…
…0011110110000101
32222020110202021222
41010220003312011
54324221232242
6310125250125
740350221642
oct10450036605
92866422258
101151352197
115409a9a46
12281703945
131546c06b8
14acca8dc9
156b12b5d2
hex44a03d85

1151352197 has 2 divisors, whose sum is σ = 1151352198. Its totient is φ = 1151352196.

The previous prime is 1151352161. The next prime is 1151352203. The reversal of 1151352197 is 7912531511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1075905601 + 75446596 = 32801^2 + 8686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1151352197 is a prime.

It is a super-2 number, since 2×11513521972 = 2651223763073453618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151352107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575676098 + 575676099.

It is an arithmetic number, because the mean of its divisors is an integer number (575676099).

Almost surely, 21151352197 is an apocalyptic number.

It is an amenable number.

1151352197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151352197 is an equidigital number, since it uses as much as digits as its factorization.

1151352197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9450, while the sum is 35.

The square root of 1151352197 is about 33931.5811155331. The cubic root of 1151352197 is about 1048.1000249910.

The spelling of 1151352197 in words is "one billion, one hundred fifty-one million, three hundred fifty-two thousand, one hundred ninety-seven".