442450325 has 12 divisors (see below), whose sum is σ = 549014340. Its totient is φ = 353717760.

The previous prime is 442450291. The next prime is 442450343. The reversal of 442450325 is 523054244.

It can be written as a sum of positive squares in 6 ways, for example, as 100681156 + 341769169 = 10034^2 + 18487^2 .

It is not a de Polignac number, because 442450325 - 2⁸ = 442450069 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37211 + ... + 47639.

It is an arithmetic number, because the mean of its divisors is an integer number (45751195).

Almost surely, 2^442450325 is an apocalyptic number.

It is an amenable number.

442450325 is a deficient number, since it is larger than the sum of its proper divisors (106564015).

442450325 is a wasteful number, since it uses less digits than its factorization.

442450325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12136 (or 12131 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 442450325 is about 21034.5032030709. The cubic root of 442450325 is about 761.9997686476. Note that the first 3 decimals are identical.

The spelling of 442450325 in words is "four hundred forty-two million, four hundred fifty thousand, three hundred twenty-five".