537211961 has 12 divisors (see below), whose sum is σ = 634600080. Its totient is φ = 450805680.

The previous prime is 537211937. The next prime is 537211973. The reversal of 537211961 is 169112735.

It is not a de Polignac number, because 537211961 - 2²⁶ = 470103097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537211931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142631 + ... + 146348.

It is an arithmetic number, because the mean of its divisors is an integer number (52883340).

Almost surely, 2^537211961 is an apocalyptic number.

It is an amenable number.

537211961 is a deficient number, since it is larger than the sum of its proper divisors (97388119).

537211961 is a wasteful number, since it uses less digits than its factorization.

537211961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289016 (or 289003 counting only the distinct ones).

The product of its digits is 11340, while the sum is 35.

The square root of 537211961 is about 23177.8333974511. The cubic root of 537211961 is about 812.9214027352.

The spelling of 537211961 in words is "five hundred thirty-seven million, two hundred eleven thousand, nine hundred sixty-one".