61325304663 has 32 divisors (see below), whose sum is σ = 94543027200. Its totient is φ = 34632804096.

The previous prime is 61325304659. The next prime is 61325304697. The reversal of 61325304663 is 36640352316.

It is not a de Polignac number, because 61325304663 - 2² = 61325304659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61325304613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4671553 + ... + 4684661.

It is an arithmetic number, because the mean of its divisors is an integer number (2954469600).

Almost surely, 2^61325304663 is an apocalyptic number.

61325304663 is a deficient number, since it is larger than the sum of its proper divisors (33217722537).

61325304663 is a wasteful number, since it uses less digits than its factorization.

61325304663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15711.

The product of its (nonzero) digits is 233280, while the sum is 39.

Adding to 61325304663 its reverse (36640352316), we get a palindrome (97965656979).

The spelling of 61325304663 in words is "sixty-one billion, three hundred twenty-five million, three hundred four thousand, six hundred sixty-three".