537477121 has 4 divisors (see below), whose sum is σ = 541084500. Its totient is φ = 533869744.

The previous prime is 537477119. The next prime is 537477137. The reversal of 537477121 is 121774735.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121774735 = 5 ⋅24354947.

It can be written as a sum of positive squares in 2 ways, for example, as 280227600 + 257249521 = 16740^2 + 16039^2 .

It is a cyclic number.

It is not a de Polignac number, because 537477121 - 2¹ = 537477119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537477181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803466 + ... + 1803763.

It is an arithmetic number, because the mean of its divisors is an integer number (135271125).

Almost surely, 2^537477121 is an apocalyptic number.

It is an amenable number.

537477121 is a deficient number, since it is larger than the sum of its proper divisors (3607379).

537477121 is a wasteful number, since it uses less digits than its factorization.

537477121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607378.

The product of its digits is 41160, while the sum is 37.

The square root of 537477121 is about 23183.5528122848. The cubic root of 537477121 is about 813.0551294575.

The spelling of 537477121 in words is "five hundred thirty-seven million, four hundred seventy-seven thousand, one hundred twenty-one".