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253530899 is a prime number
BaseRepresentation
bin11110001110010…
…01001100010011
3122200001201000022
433013021030103
51004400442044
641054014055
76165656066
oct1707111423
9580051008
10253530899
11120125576
1270aa732b
13406aa8ab
14259588dd
15173d03ee
hexf1c9313

253530899 has 2 divisors, whose sum is σ = 253530900. Its totient is φ = 253530898.

The previous prime is 253530811. The next prime is 253530931. The reversal of 253530899 is 998035352.

253530899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253530899 - 212 = 253526803 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253530799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126765449 + 126765450.

It is an arithmetic number, because the mean of its divisors is an integer number (126765450).

Almost surely, 2253530899 is an apocalyptic number.

253530899 is a deficient number, since it is larger than the sum of its proper divisors (1).

253530899 is an equidigital number, since it uses as much as digits as its factorization.

253530899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 253530899 is about 15922.6536419028. The cubic root of 253530899 is about 632.9124403562.

The spelling of 253530899 in words is "two hundred fifty-three million, five hundred thirty thousand, eight hundred ninety-nine".