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5272201261 is a prime number
BaseRepresentation
bin1001110100011111…
…10110100000101101
3111121102120120111101
410322033312200231
541244140420021
62231053323101
7244435654105
oct47217664055
914542516441
105272201261
112266024928
121031796491
13660375622
143802ba205
1520ccc3a91
hex13a3f682d

5272201261 has 2 divisors, whose sum is σ = 5272201262. Its totient is φ = 5272201260.

The previous prime is 5272201223. The next prime is 5272201267. The reversal of 5272201261 is 1621022725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5271631236 + 570025 = 72606^2 + 755^2 .

It is a cyclic number.

It is not a de Polignac number, because 5272201261 - 29 = 5272200749 is a prime.

It is a super-2 number, since 2×52722012612 = 55592212272979980242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5272201267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2636100630 + 2636100631.

It is an arithmetic number, because the mean of its divisors is an integer number (2636100631).

Almost surely, 25272201261 is an apocalyptic number.

It is an amenable number.

5272201261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5272201261 is an equidigital number, since it uses as much as digits as its factorization.

5272201261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 5272201261 is about 72609.9253614821. The cubic root of 5272201261 is about 1740.4597874412.

Adding to 5272201261 its reverse (1621022725), we get a palindrome (6893223986).

The spelling of 5272201261 in words is "five billion, two hundred seventy-two million, two hundred one thousand, two hundred sixty-one".