65652437 has 2 divisors, whose sum is σ = 65652438. Its totient is φ = 65652436.

The previous prime is 65652421. The next prime is 65652463. The reversal of 65652437 is 73425656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34000561 + 31651876 = 5831^2 + 5626^2 .

It is a cyclic number.

It is not a de Polignac number, because 65652437 - 2⁴ = 65652421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65652437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65652407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32826218 + 32826219.

It is an arithmetic number, because the mean of its divisors is an integer number (32826219).

Almost surely, 2^65652437 is an apocalyptic number.

It is an amenable number.

65652437 is a deficient number, since it is larger than the sum of its proper divisors (1).

65652437 is an equidigital number, since it uses as much as digits as its factorization.

65652437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 38.

The square root of 65652437 is about 8102.6191444495. The cubic root of 65652437 is about 403.4133665524.

The spelling of 65652437 in words is "sixty-five million, six hundred fifty-two thousand, four hundred thirty-seven".