65437487 has 2 divisors, whose sum is σ = 65437488. Its totient is φ = 65437486.

The previous prime is 65437469. The next prime is 65437499. The reversal of 65437487 is 78473456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65437487 - 2¹⁸ = 65175343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65437417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32718743 + 32718744.

It is an arithmetic number, because the mean of its divisors is an integer number (32718744).

Almost surely, 2^65437487 is an apocalyptic number.

65437487 is a deficient number, since it is larger than the sum of its proper divisors (1).

65437487 is an equidigital number, since it uses as much as digits as its factorization.

65437487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 44.

The square root of 65437487 is about 8089.3440401555. The cubic root of 65437487 is about 402.9726187046.

The spelling of 65437487 in words is "sixty-five million, four hundred thirty-seven thousand, four hundred eighty-seven".