65025404563 has 4 divisors (see below), whose sum is σ = 74314748080. Its totient is φ = 55736061048.

The previous prime is 65025404551. The next prime is 65025404567. The reversal of 65025404563 is 36540452056.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65025404563 - 2⁵ = 65025404531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65025404567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4644671748 + ... + 4644671761.

It is an arithmetic number, because the mean of its divisors is an integer number (18578687020).

Almost surely, 2^65025404563 is an apocalyptic number.

65025404563 is a deficient number, since it is larger than the sum of its proper divisors (9289343517).

65025404563 is an equidigital number, since it uses as much as digits as its factorization.

65025404563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9289343516.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 65025404563 in words is "sixty-five billion, twenty-five million, four hundred four thousand, five hundred sixty-three".