537155873 has 2 divisors, whose sum is σ = 537155874. Its totient is φ = 537155872.

The previous prime is 537155837. The next prime is 537155891. The reversal of 537155873 is 378551735.

Together with previous prime (537155837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469718929 + 67436944 = 21673^2 + 8212^2 .

It is a cyclic number.

It is not a de Polignac number, because 537155873 - 2⁸ = 537155617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (537155803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268577936 + 268577937.

It is an arithmetic number, because the mean of its divisors is an integer number (268577937).

Almost surely, 2^537155873 is an apocalyptic number.

It is an amenable number.

537155873 is a deficient number, since it is larger than the sum of its proper divisors (1).

537155873 is an equidigital number, since it uses as much as digits as its factorization.

537155873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441000, while the sum is 44.

The square root of 537155873 is about 23176.6234167102. The cubic root of 537155873 is about 812.8931105366.

The spelling of 537155873 in words is "five hundred thirty-seven million, one hundred fifty-five thousand, eight hundred seventy-three".