537143477 has 4 divisors (see below), whose sum is σ = 578462220. Its totient is φ = 495824736.

The previous prime is 537143473. The next prime is 537143513. The reversal of 537143477 is 774341735.

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

It can be written as a sum of positive squares in 2 ways, for example, as 202948516 + 334194961 = 14246^2 + 18281^2 .

It is a cyclic number.

It is not a de Polignac number, because 537143477 - 2² = 537143473 is a prime.

It is a super-2 number, since 2×537143477² = 577046229767299058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537143473) 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, 20659352 + ... + 20659377.

It is an arithmetic number, because the mean of its divisors is an integer number (144615555).

Almost surely, 2^537143477 is an apocalyptic number.

It is an amenable number.

537143477 is a deficient number, since it is larger than the sum of its proper divisors (41318743).

537143477 is a wasteful number, since it uses less digits than its factorization.

537143477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41318742.

The product of its digits is 246960, while the sum is 41.

The square root of 537143477 is about 23176.3559905348. The cubic root of 537143477 is about 812.8868574165.

The spelling of 537143477 in words is "five hundred thirty-seven million, one hundred forty-three thousand, four hundred seventy-seven".