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87525953 is a prime number
BaseRepresentation
bin1010011011110…
…00101001000001
320002200210000222
411031320221001
5134401312303
612403552425
72111646464
oct515705101
9202623028
1087525953
11454515a9
122538b715
1315196b08
14b8a52db
157a3d938
hex5378a41

87525953 has 2 divisors, whose sum is σ = 87525954. Its totient is φ = 87525952.

The previous prime is 87525943. The next prime is 87525961. The reversal of 87525953 is 35952578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87459904 + 66049 = 9352^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 87525953 - 218 = 87263809 is a prime.

It is not a weakly prime, because it can be changed into another prime (87525923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43762976 + 43762977.

It is an arithmetic number, because the mean of its divisors is an integer number (43762977).

Almost surely, 287525953 is an apocalyptic number.

It is an amenable number.

87525953 is a deficient number, since it is larger than the sum of its proper divisors (1).

87525953 is an equidigital number, since it uses as much as digits as its factorization.

87525953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378000, while the sum is 44.

The square root of 87525953 is about 9355.5306102861. The cubic root of 87525953 is about 443.9958894325.

The spelling of 87525953 in words is "eighty-seven million, five hundred twenty-five thousand, nine hundred fifty-three".