537485421 has 32 divisors (see below), whose sum is σ = 805478400. Its totient is φ = 315938880.

The previous prime is 537485419. The next prime is 537485437. The reversal of 537485421 is 124584735.

It is not a de Polignac number, because 537485421 - 2¹ = 537485419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 537485421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537485461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584400 + ... + 585318.

It is an arithmetic number, because the mean of its divisors is an integer number (25171200).

Almost surely, 2^537485421 is an apocalyptic number.

It is an amenable number.

537485421 is a deficient number, since it is larger than the sum of its proper divisors (267992979).

537485421 is a wasteful number, since it uses less digits than its factorization.

537485421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449.

The product of its digits is 134400, while the sum is 39.

The square root of 537485421 is about 23183.7318178071. The cubic root of 537485421 is about 813.0593146420.

The spelling of 537485421 in words is "five hundred thirty-seven million, four hundred eighty-five thousand, four hundred twenty-one".