537217925 has 6 divisors (see below), whose sum is σ = 666150258. Its totient is φ = 429774320.

The previous prime is 537217921. The next prime is 537217931. The reversal of 537217925 is 529712735.

It can be written as a sum of positive squares in 3 ways, for example, as 8631844 + 528586081 = 2938^2 + 22991^2 .

It is not a de Polignac number, because 537217925 - 2² = 537217921 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 (537217921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10744334 + ... + 10744383.

It is an arithmetic number, because the mean of its divisors is an integer number (111025043).

Almost surely, 2^537217925 is an apocalyptic number.

It is an amenable number.

537217925 is a deficient number, since it is larger than the sum of its proper divisors (128932333).

537217925 is a wasteful number, since it uses less digits than its factorization.

537217925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21488727 (or 21488722 counting only the distinct ones).

The product of its digits is 132300, while the sum is 41.

The square root of 537217925 is about 23177.9620545034. The cubic root of 537217925 is about 812.9244110111.

The spelling of 537217925 in words is "five hundred thirty-seven million, two hundred seventeen thousand, nine hundred twenty-five".