445535513 has 16 divisors (see below), whose sum is σ = 471018240. Its totient is φ = 420959616.

The previous prime is 445535509. The next prime is 445535527. The reversal of 445535513 is 315535544.

It is a cyclic number.

It is not a de Polignac number, because 445535513 - 2² = 445535509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445535533) 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, 178631 + ... + 181107.

It is an arithmetic number, because the mean of its divisors is an integer number (29438640).

Almost surely, 2^445535513 is an apocalyptic number.

445535513 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

445535513 is a deficient number, since it is larger than the sum of its proper divisors (25482727).

445535513 is a wasteful number, since it uses less digits than its factorization.

445535513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656.

The product of its digits is 90000, while the sum is 35.

The square root of 445535513 is about 21107.7121687785. The cubic root of 445535513 is about 763.7667989087.

The spelling of 445535513 in words is "four hundred forty-five million, five hundred thirty-five thousand, five hundred thirteen".