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253966501 is a prime number
BaseRepresentation
bin11110010001100…
…11100010100101
3122200212211112201
433020303202211
51010003412001
641111214501
76202452055
oct1710634245
9580784481
10253966501
111203a2878
1271077431
1340800c49
1425a2d565
1517469501
hexf2338a5

253966501 has 2 divisors, whose sum is σ = 253966502. Its totient is φ = 253966500.

The previous prime is 253966487. The next prime is 253966507. The reversal of 253966501 is 105669352.

253966501 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 can be written as a sum of positive squares in only one way, i.e., 253764900 + 201601 = 15930^2 + 449^2 .

It is a cyclic number.

It is not a de Polignac number, because 253966501 - 25 = 253966469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253966507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126983250 + 126983251.

It is an arithmetic number, because the mean of its divisors is an integer number (126983251).

Almost surely, 2253966501 is an apocalyptic number.

It is an amenable number.

253966501 is a deficient number, since it is larger than the sum of its proper divisors (1).

253966501 is an equidigital number, since it uses as much as digits as its factorization.

253966501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 253966501 is about 15936.3264587545. The cubic root of 253966501 is about 633.2747107020.

The spelling of 253966501 in words is "two hundred fifty-three million, nine hundred sixty-six thousand, five hundred one".