60421556225 has 12 divisors (see below), whose sum is σ = 74933039916. Its totient is φ = 48330593280.

The previous prime is 60421556203. The next prime is 60421556227. The reversal of 60421556225 is 52265512406.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4362470401 + 56059085824 = 66049^2 + 236768^2 .

It is not a de Polignac number, because 60421556225 - 2⁶ = 60421556161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60421556227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23249 + ... + 348401.

It is an arithmetic number, because the mean of its divisors is an integer number (6244419993).

Almost surely, 2^60421556225 is an apocalyptic number.

It is an amenable number.

60421556225 is a deficient number, since it is larger than the sum of its proper divisors (14511483691).

60421556225 is a wasteful number, since it uses less digits than its factorization.

60421556225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332596 (or 332591 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 60421556225 in words is "sixty billion, four hundred twenty-one million, five hundred fifty-six thousand, two hundred twenty-five".