65506153 has 2 divisors, whose sum is σ = 65506154. Its totient is φ = 65506152.

The previous prime is 65506121. The next prime is 65506159. The reversal of 65506153 is 35160556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60652944 + 4853209 = 7788^2 + 2203^2 .

It is a cyclic number.

It is not a de Polignac number, because 65506153 - 2⁵ = 65506121 is a prime.

It is not a weakly prime, because it can be changed into another prime (65506159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32753076 + 32753077.

It is an arithmetic number, because the mean of its divisors is an integer number (32753077).

Almost surely, 2^65506153 is an apocalyptic number.

It is an amenable number.

65506153 is a deficient number, since it is larger than the sum of its proper divisors (1).

65506153 is an equidigital number, since it uses as much as digits as its factorization.

65506153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 65506153 is about 8093.5871528019. The cubic root of 65506153 is about 403.1135208397.

The spelling of 65506153 in words is "sixty-five million, five hundred six thousand, one hundred fifty-three".