42435251325 has 96 divisors (see below), whose sum is σ = 80988625920. Its totient is φ = 21760876800.

The previous prime is 42435251239. The next prime is 42435251329. The reversal of 42435251325 is 52315253424.

42435251325 is a `hidden beast` number, since 42 + 43 + 5 + 251 + 325 = 666.

It is not a de Polignac number, because 42435251325 - 2⁹ = 42435250813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42435251325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42435251329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3278767 + ... + 3291683.

It is an arithmetic number, because the mean of its divisors is an integer number (843631520).

Almost surely, 2^42435251325 is an apocalyptic number.

42435251325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42435251325 is a deficient number, since it is larger than the sum of its proper divisors (38553374595).

42435251325 is a wasteful number, since it uses less digits than its factorization.

42435251325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13124 (or 13113 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The spelling of 42435251325 in words is "forty-two billion, four hundred thirty-five million, two hundred fifty-one thousand, three hundred twenty-five".