65037487 has 2 divisors, whose sum is σ = 65037488. Its totient is φ = 65037486.

The previous prime is 65037481. The next prime is 65037499. The reversal of 65037487 is 78473056.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65037487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65037481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32518743 + 32518744.

It is an arithmetic number, because the mean of its divisors is an integer number (32518744).

Almost surely, 2^65037487 is an apocalyptic number.

65037487 is a deficient number, since it is larger than the sum of its proper divisors (1).

65037487 is an equidigital number, since it uses as much as digits as its factorization.

65037487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 65037487 is about 8064.5822582450. The cubic root of 65037487 is about 402.1498558488.

The spelling of 65037487 in words is "sixty-five million, thirty-seven thousand, four hundred eighty-seven".