65153239 has 2 divisors, whose sum is σ = 65153240. Its totient is φ = 65153238.

The previous prime is 65153203. The next prime is 65153267. The reversal of 65153239 is 93235156.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65153239 is a prime.

It is a super-2 number, since 2×65153239² = 8489889104382242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65153939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32576619 + 32576620.

It is an arithmetic number, because the mean of its divisors is an integer number (32576620).

Almost surely, 2^65153239 is an apocalyptic number.

65153239 is a deficient number, since it is larger than the sum of its proper divisors (1).

65153239 is an equidigital number, since it uses as much as digits as its factorization.

65153239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 34.

The square root of 65153239 is about 8071.7556330702. The cubic root of 65153239 is about 402.3882930106.

The spelling of 65153239 in words is "sixty-five million, one hundred fifty-three thousand, two hundred thirty-nine".