537061493 has 2 divisors, whose sum is σ = 537061494. Its totient is φ = 537061492.

The previous prime is 537061471. The next prime is 537061573. The reversal of 537061493 is 394160735.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 529782289 + 7279204 = 23017^2 + 2698^2 .

It is a cyclic number.

It is not a de Polignac number, because 537061493 - 2²² = 532867189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537061463) 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, 268530746 + 268530747.

It is an arithmetic number, because the mean of its divisors is an integer number (268530747).

Almost surely, 2^537061493 is an apocalyptic number.

It is an amenable number.

537061493 is a deficient number, since it is larger than the sum of its proper divisors (1).

537061493 is an equidigital number, since it uses as much as digits as its factorization.

537061493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 537061493 is about 23174.5872239399. The cubic root of 537061493 is about 812.8454984439.

The spelling of 537061493 in words is "five hundred thirty-seven million, sixty-one thousand, four hundred ninety-three".