2011252445 has 8 divisors (see below), whose sum is σ = 2422895544. Its totient is φ = 1602740224.

The previous prime is 2011252409. The next prime is 2011252487. The reversal of 2011252445 is 5442521102.

It can be written as a sum of positive squares in 4 ways, for example, as 209844196 + 1801408249 = 14486^2 + 42443^2 .

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 2011252445 - 2⁶ = 2011252381 is a prime.

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, 781304 + ... + 783873.

It is an arithmetic number, because the mean of its divisors is an integer number (302861943).

Almost surely, 2^2011252445 is an apocalyptic number.

It is an amenable number.

2011252445 is a deficient number, since it is larger than the sum of its proper divisors (411643099).

2011252445 is a wasteful number, since it uses less digits than its factorization.

2011252445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565439.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2011252445 is about 44846.9892523456. The cubic root of 2011252445 is about 1262.2794977450.

Adding to 2011252445 its reverse (5442521102), we get a palindrome (7453773547).

The spelling of 2011252445 in words is "two billion, eleven million, two hundred fifty-two thousand, four hundred forty-five".