65625503 has 2 divisors, whose sum is σ = 65625504. Its totient is φ = 65625502.

The previous prime is 65625493. The next prime is 65625557. The reversal of 65625503 is 30552656.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65625503 - 2¹⁰ = 65624479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65625503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65625103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32812751 + 32812752.

It is an arithmetic number, because the mean of its divisors is an integer number (32812752).

Almost surely, 2^65625503 is an apocalyptic number.

65625503 is a deficient number, since it is larger than the sum of its proper divisors (1).

65625503 is an equidigital number, since it uses as much as digits as its factorization.

65625503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 65625503 is about 8100.9569187843. The cubic root of 65625503 is about 403.3581920490.

The spelling of 65625503 in words is "sixty-five million, six hundred twenty-five thousand, five hundred three".