537264409 has 4 divisors (see below), whose sum is σ = 586106640. Its totient is φ = 488422180.

The previous prime is 537264407. The next prime is 537264421. The reversal of 537264409 is 904462735.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 537264409 - 2¹ = 537264407 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537264407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24421099 + ... + 24421120.

It is an arithmetic number, because the mean of its divisors is an integer number (146526660).

Almost surely, 2^537264409 is an apocalyptic number.

It is an amenable number.

537264409 is a deficient number, since it is larger than the sum of its proper divisors (48842231).

537264409 is a wasteful number, since it uses less digits than its factorization.

537264409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48842230.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 537264409 is about 23178.9647956935. The cubic root of 537264409 is about 812.9478570446.

The spelling of 537264409 in words is "five hundred thirty-seven million, two hundred sixty-four thousand, four hundred nine".