42306225025 has 6 divisors (see below), whose sum is σ = 52459719062. Its totient is φ = 33844980000.

The previous prime is 42306225023. The next prime is 42306225061. The reversal of 42306225025 is 52052260324.

It can be written as a sum of positive squares in 3 ways, for example, as 9883541056 + 32422683969 = 99416^2 + 180063^2 .

It is not a de Polignac number, because 42306225025 - 2¹ = 42306225023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42306225023) 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 5 ways as a sum of consecutive naturals, for example, 846124476 + ... + 846124525.

Almost surely, 2^42306225025 is an apocalyptic number.

It is an amenable number.

42306225025 is a deficient number, since it is larger than the sum of its proper divisors (10153494037).

42306225025 is a wasteful number, since it uses less digits than its factorization.

42306225025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692249011 (or 1692249006 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 42306225025 its reverse (52052260324), we get a palindrome (94358485349).

The spelling of 42306225025 in words is "forty-two billion, three hundred six million, two hundred twenty-five thousand, twenty-five".