Search a number
-
+
65420527 is a prime number
BaseRepresentation
bin1111100110001…
…1110011101111
311120002201002111
43321203303233
5113221424102
610254104451
71423031254
oct371436357
9146081074
1065420527
1133a23457
1219aab127
1310727293
14898d42b
155b23cd7
hex3e63cef

65420527 has 2 divisors, whose sum is σ = 65420528. Its totient is φ = 65420526.

The previous prime is 65420521. The next prime is 65420567. The reversal of 65420527 is 72502456.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-65420527 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65420521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32710263 + 32710264.

It is an arithmetic number, because the mean of its divisors is an integer number (32710264).

Almost surely, 265420527 is an apocalyptic number.

65420527 is a deficient number, since it is larger than the sum of its proper divisors (1).

65420527 is an equidigital number, since it uses as much as digits as its factorization.

65420527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 65420527 is about 8088.2956795607. The cubic root of 65420527 is about 402.9378017291.

The spelling of 65420527 in words is "sixty-five million, four hundred twenty thousand, five hundred twenty-seven".