2001352445 has 8 divisors (see below), whose sum is σ = 2401934136. Its totient is φ = 1600874496.

The previous prime is 2001352417. The next prime is 2001352481. The reversal of 2001352445 is 5442531002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 390694756 + 1610657689 = 19766^2 + 40133^2 .

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 2001352445 - 2¹⁴ = 2001336061 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 25949 + ... + 68381.

It is an arithmetic number, because the mean of its divisors is an integer number (300241767).

Almost surely, 2^2001352445 is an apocalyptic number.

It is an amenable number.

2001352445 is a deficient number, since it is larger than the sum of its proper divisors (400581691).

2001352445 is an equidigital number, since it uses as much as digits as its factorization.

2001352445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51871.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2001352445 is about 44736.4777893835. The cubic root of 2001352445 is about 1260.2049815582.

Adding to 2001352445 its reverse (5442531002), we get a palindrome (7443883447).

The spelling of 2001352445 in words is "two billion, one million, three hundred fifty-two thousand, four hundred forty-five".