65003437 has 2 divisors, whose sum is σ = 65003438. Its totient is φ = 65003436.

The previous prime is 65003431. The next prime is 65003441. The reversal of 65003437 is 73430056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64979721 + 23716 = 8061^2 + 154^2 .

It is a cyclic number.

It is not a de Polignac number, because 65003437 - 2²³ = 56614829 is a prime.

It is a Chen prime.

It is equal to p_3840742 and since 65003437 and 3840742 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65003431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32501718 + 32501719.

It is an arithmetic number, because the mean of its divisors is an integer number (32501719).

Almost surely, 2^65003437 is an apocalyptic number.

It is an amenable number.

65003437 is a deficient number, since it is larger than the sum of its proper divisors (1).

65003437 is an equidigital number, since it uses as much as digits as its factorization.

65003437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 65003437 is about 8062.4708991723. The cubic root of 65003437 is about 402.0796625209.

The spelling of 65003437 in words is "sixty-five million, three thousand, four hundred thirty-seven".