1005525445 has 8 divisors (see below), whose sum is σ = 1207863936. Its totient is φ = 803598096.

The previous prime is 1005525427. The next prime is 1005525461. The reversal of 1005525445 is 5445255001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1005525445 - 2¹⁷ = 1005394373 is a prime.

It is a super-2 number, since 2×1005525445² = 2022162841084896050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 97377 + ... + 107206.

It is an arithmetic number, because the mean of its divisors is an integer number (150982992).

Almost surely, 2^1005525445 is an apocalyptic number.

It is an amenable number.

1005525445 is a deficient number, since it is larger than the sum of its proper divisors (202338491).

1005525445 is an equidigital number, since it uses as much as digits as its factorization.

1005525445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205571.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 1005525445 is about 31710.0212078138. The cubic root of 1005525445 is about 1001.8384330926.

The spelling of 1005525445 in words is "one billion, five million, five hundred twenty-five thousand, four hundred forty-five".