537915393 has 6 divisors (see below), whose sum is σ = 776988914. Its totient is φ = 358610256.

The previous prime is 537915359. The next prime is 537915407. The reversal of 537915393 is 393519735.

It can be written as a sum of positive squares in only one way, i.e., 537915249 + 144 = 23193^2 + 12^2 .

It is not a de Polignac number, because 537915393 - 2¹⁴ = 537899009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537914393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29884180 + ... + 29884197.

Almost surely, 2^537915393 is an apocalyptic number.

It is an amenable number.

537915393 is a deficient number, since it is larger than the sum of its proper divisors (239073521).

537915393 is a wasteful number, since it uses less digits than its factorization.

537915393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59768383 (or 59768380 counting only the distinct ones).

The product of its digits is 382725, while the sum is 45.

The square root of 537915393 is about 23193.0031043847. The cubic root of 537915393 is about 813.2760644342.

The spelling of 537915393 in words is "five hundred thirty-seven million, nine hundred fifteen thousand, three hundred ninety-three".