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253350887 is a prime number
BaseRepresentation
bin11110001100111…
…01001111100111
3122122201120002012
433012131033213
51004324212022
641050104435
76164306216
oct1706351747
9578646065
10253350887
111200122a9
1270a1b11b
134064698a
142590d07d
1517396de2
hexf19d3e7

253350887 has 2 divisors, whose sum is σ = 253350888. Its totient is φ = 253350886.

The previous prime is 253350869. The next prime is 253350899. The reversal of 253350887 is 788053352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-253350887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253350827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126675443 + 126675444.

It is an arithmetic number, because the mean of its divisors is an integer number (126675444).

Almost surely, 2253350887 is an apocalyptic number.

253350887 is a deficient number, since it is larger than the sum of its proper divisors (1).

253350887 is an equidigital number, since it uses as much as digits as its factorization.

253350887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 253350887 is about 15916.9999371741. Note that the first 4 decimals coincide. The cubic root of 253350887 is about 632.7626114005.

The spelling of 253350887 in words is "two hundred fifty-three million, three hundred fifty thousand, eight hundred eighty-seven".