65525603 has 16 divisors (see below), whose sum is σ = 78048096. Its totient is φ = 54224640.

The previous prime is 65525533. The next prime is 65525609. The reversal of 65525603 is 30652556.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65525603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65525603.

It is not an unprimeable number, because it can be changed into a prime (65525609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7301 + ... + 13577.

It is an arithmetic number, because the mean of its divisors is an integer number (4878006).

Almost surely, 2^65525603 is an apocalyptic number.

65525603 is a deficient number, since it is larger than the sum of its proper divisors (12522493).

65525603 is a wasteful number, since it uses less digits than its factorization.

65525603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374.

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

The square root of 65525603 is about 8094.7886322003. The cubic root of 65525603 is about 403.1534142021.

The spelling of 65525603 in words is "sixty-five million, five hundred twenty-five thousand, six hundred three".