Search a number
-
+
65474039 is a prime number
BaseRepresentation
bin1111100111000…
…0110111110111
311120012102111102
43321300313313
5113230132124
610255200315
71423343261
oct371606767
9146172442
1065474039
1133a5a684
1219b1609b
1310745747
1489a4b31
155b34aae
hex3e70df7

65474039 has 2 divisors, whose sum is σ = 65474040. Its totient is φ = 65474038.

The previous prime is 65474009. The next prime is 65474041. The reversal of 65474039 is 93047456.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-65474039 is a prime.

Together with 65474041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 65473993 and 65474011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65474009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32737019 + 32737020.

It is an arithmetic number, because the mean of its divisors is an integer number (32737020).

Almost surely, 265474039 is an apocalyptic number.

65474039 is a deficient number, since it is larger than the sum of its proper divisors (1).

65474039 is an equidigital number, since it uses as much as digits as its factorization.

65474039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 65474039 is about 8091.6029932270. The cubic root of 65474039 is about 403.0476354071.

The spelling of 65474039 in words is "sixty-five million, four hundred seventy-four thousand, thirty-nine".