65450507 has 2 divisors, whose sum is σ = 65450508. Its totient is φ = 65450506.

The previous prime is 65450501. The next prime is 65450537. The reversal of 65450507 is 70505456.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65450507 - 2¹⁸ = 65188363 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (65450501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32725253 + 32725254.

It is an arithmetic number, because the mean of its divisors is an integer number (32725254).

Almost surely, 2^65450507 is an apocalyptic number.

65450507 is a deficient number, since it is larger than the sum of its proper divisors (1).

65450507 is an equidigital number, since it uses as much as digits as its factorization.

65450507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 65450507 is about 8090.1487625383. The cubic root of 65450507 is about 402.9993432209. Note that the first 3 decimals are identical.

The spelling of 65450507 in words is "sixty-five million, four hundred fifty thousand, five hundred seven".