61025244321 has 16 divisors (see below), whose sum is σ = 81859137984. Its totient is φ = 40437549504.

The previous prime is 61025244311. The next prime is 61025244331. The reversal of 61025244321 is 12344252016.

It is an interprime number because it is at equal distance from previous prime (61025244311) and next prime (61025244331).

It is not a de Polignac number, because 61025244321 - 2⁷ = 61025244193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61025244311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2247790 + ... + 2274776.

It is an arithmetic number, because the mean of its divisors is an integer number (5116196124).

Almost surely, 2^61025244321 is an apocalyptic number.

It is an amenable number.

61025244321 is a deficient number, since it is larger than the sum of its proper divisors (20833893663).

61025244321 is a wasteful number, since it uses less digits than its factorization.

61025244321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31520.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 61025244321 its reverse (12344252016), we get a palindrome (73369496337).

The spelling of 61025244321 in words is "sixty-one billion, twenty-five million, two hundred forty-four thousand, three hundred twenty-one".