445513011 has 16 divisors (see below), whose sum is σ = 614210688. Its totient is φ = 287048000.

The previous prime is 445512983. The next prime is 445513021. The reversal of 445513011 is 110315544.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 445513011 - 2⁵ = 445512979 is a prime.

It is a super-2 number, since 2×445513011² = 396963685940572242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445513021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3765 + ... + 30086.

It is an arithmetic number, because the mean of its divisors is an integer number (38388168).

Almost surely, 2^445513011 is an apocalyptic number.

445513011 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

445513011 is a deficient number, since it is larger than the sum of its proper divisors (168697677).

445513011 is a wasteful number, since it uses less digits than its factorization.

445513011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34002.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 445513011 is about 21107.1791341240. The cubic root of 445513011 is about 763.7539405473.

Adding to 445513011 its reverse (110315544), we get a palindrome (555828555).

The spelling of 445513011 in words is "four hundred forty-five million, five hundred thirteen thousand, eleven".