537338309 has 16 divisors (see below), whose sum is σ = 559164528. Its totient is φ = 515953152.

The previous prime is 537338299. The next prime is 537338317. The reversal of 537338309 is 903833735.

It can be written as a sum of positive squares in 8 ways, for example, as 1276900 + 536061409 = 1130^2 + 23153^2 .

It is a cyclic number.

It is not a de Polignac number, because 537338309 - 2²⁸ = 268902853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537338369) 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, 1353299 + ... + 1353695.

It is an arithmetic number, because the mean of its divisors is an integer number (34947783).

Almost surely, 2^537338309 is an apocalyptic number.

It is an amenable number.

537338309 is a deficient number, since it is larger than the sum of its proper divisors (21826219).

537338309 is a wasteful number, since it uses less digits than its factorization.

537338309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 204120, while the sum is 41.

The square root of 537338309 is about 23180.5588586643. The cubic root of 537338309 is about 812.9851286322.

The spelling of 537338309 in words is "five hundred thirty-seven million, three hundred thirty-eight thousand, three hundred nine".