537729253 has 2 divisors, whose sum is σ = 537729254. Its totient is φ = 537729252.

The previous prime is 537729217. The next prime is 537729287. The reversal of 537729253 is 352927735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379548324 + 158180929 = 19482^2 + 12577^2 .

It is a cyclic number.

It is not a de Polignac number, because 537729253 - 2²¹ = 535632101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537729293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268864626 + 268864627.

It is an arithmetic number, because the mean of its divisors is an integer number (268864627).

Almost surely, 2^537729253 is an apocalyptic number.

It is an amenable number.

537729253 is a deficient number, since it is larger than the sum of its proper divisors (1).

537729253 is an equidigital number, since it uses as much as digits as its factorization.

537729253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 43.

The square root of 537729253 is about 23188.9899090064. The cubic root of 537729253 is about 813.1822450507.

The spelling of 537729253 in words is "five hundred thirty-seven million, seven hundred twenty-nine thousand, two hundred fifty-three".