65231653 has 2 divisors, whose sum is σ = 65231654. Its totient is φ = 65231652.

The previous prime is 65231599. The next prime is 65231659. The reversal of 65231653 is 35613256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53246209 + 11985444 = 7297^2 + 3462^2 .

It is a cyclic number.

It is not a de Polignac number, because 65231653 - 2¹³ = 65223461 is a prime.

It is a super-2 number, since 2×65231653² = 8510337106224818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65231659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32615826 + 32615827.

It is an arithmetic number, because the mean of its divisors is an integer number (32615827).

Almost surely, 2^65231653 is an apocalyptic number.

It is an amenable number.

65231653 is a deficient number, since it is larger than the sum of its proper divisors (1).

65231653 is an equidigital number, since it uses as much as digits as its factorization.

65231653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 31.

The square root of 65231653 is about 8076.6114800701. The cubic root of 65231653 is about 402.5496573380.

The spelling of 65231653 in words is "sixty-five million, two hundred thirty-one thousand, six hundred fifty-three".