537725869 has 2 divisors, whose sum is σ = 537725870. Its totient is φ = 537725868.

The previous prime is 537725789. The next prime is 537725873. The reversal of 537725869 is 968527735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 530703369 + 7022500 = 23037^2 + 2650^2 .

It is a cyclic number.

It is not a de Polignac number, because 537725869 - 2²⁹ = 854957 is a prime.

It is a super-2 number, since 2×537725869² = 578298220383610322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537725899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268862934 + 268862935.

It is an arithmetic number, because the mean of its divisors is an integer number (268862935).

Almost surely, 2^537725869 is an apocalyptic number.

It is an amenable number.

537725869 is a deficient number, since it is larger than the sum of its proper divisors (1).

537725869 is an equidigital number, since it uses as much as digits as its factorization.

537725869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 52.

The square root of 537725869 is about 23188.9169432296. The cubic root of 537725869 is about 813.1805392267.

The spelling of 537725869 in words is "five hundred thirty-seven million, seven hundred twenty-five thousand, eight hundred sixty-nine".