537405983 has 4 divisors (see below), whose sum is σ = 550513488. Its totient is φ = 524298480.

The previous prime is 537405977. The next prime is 537405997. The reversal of 537405983 is 389504735.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 537405983 - 2¹⁸ = 537143839 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 (537405923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6553691 + ... + 6553772.

It is an arithmetic number, because the mean of its divisors is an integer number (137628372).

Almost surely, 2^537405983 is an apocalyptic number.

537405983 is a deficient number, since it is larger than the sum of its proper divisors (13107505).

537405983 is a wasteful number, since it uses less digits than its factorization.

537405983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13107504.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 537405983 is about 23182.0185272983. The cubic root of 537405983 is about 813.0192571288.

The spelling of 537405983 in words is "five hundred thirty-seven million, four hundred five thousand, nine hundred eighty-three".