61325304623 has 16 divisors (see below), whose sum is σ = 69074767872. Its totient is φ = 53939100000.

The previous prime is 61325304613. The next prime is 61325304653. The reversal of 61325304623 is 32640352316.

It is a cyclic number.

It is not a de Polignac number, because 61325304623 - 2⁶ = 61325304559 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 15 ways as a sum of consecutive naturals, for example, 1601165 + ... + 1639017.

It is an arithmetic number, because the mean of its divisors is an integer number (4317172992).

Almost surely, 2^61325304623 is an apocalyptic number.

61325304623 is a deficient number, since it is larger than the sum of its proper divisors (7749463249).

61325304623 is a wasteful number, since it uses less digits than its factorization.

61325304623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42646.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 61325304623 its reverse (32640352316), we get a palindrome (93965656939).

The spelling of 61325304623 in words is "sixty-one billion, three hundred twenty-five million, three hundred four thousand, six hundred twenty-three".