537800449 has 2 divisors, whose sum is σ = 537800450. Its totient is φ = 537800448.

The previous prime is 537800443. The next prime is 537800477. The reversal of 537800449 is 944008735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 531763600 + 6036849 = 23060^2 + 2457^2 .

It is a cyclic number.

It is not a de Polignac number, because 537800449 - 2¹⁹ = 537276161 is a prime.

It is not a weakly prime, because it can be changed into another prime (537800443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268900224 + 268900225.

It is an arithmetic number, because the mean of its divisors is an integer number (268900225).

Almost surely, 2^537800449 is an apocalyptic number.

It is an amenable number.

537800449 is a deficient number, since it is larger than the sum of its proper divisors (1).

537800449 is an equidigital number, since it uses as much as digits as its factorization.

537800449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 537800449 is about 23190.5249832771. The cubic root of 537800449 is about 813.2181322361.

The spelling of 537800449 in words is "five hundred thirty-seven million, eight hundred thousand, four hundred forty-nine".