537440857 has 2 divisors, whose sum is σ = 537440858. Its totient is φ = 537440856.

The previous prime is 537440851. The next prime is 537440863. The reversal of 537440857 is 758044735.

It is a balanced prime because it is at equal distance from previous prime (537440851) and next prime (537440863).

It can be written as a sum of positive squares in only one way, i.e., 298460176 + 238980681 = 17276^2 + 15459^2 .

It is a cyclic number.

It is not a de Polignac number, because 537440857 - 2¹⁵ = 537408089 is a prime.

It is not a weakly prime, because it can be changed into another prime (537440851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268720428 + 268720429.

It is an arithmetic number, because the mean of its divisors is an integer number (268720429).

Almost surely, 2^537440857 is an apocalyptic number.

It is an amenable number.

537440857 is a deficient number, since it is larger than the sum of its proper divisors (1).

537440857 is an equidigital number, since it uses as much as digits as its factorization.

537440857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 537440857 is about 23182.7706929090. The cubic root of 537440857 is about 813.0368432252.

The spelling of 537440857 in words is "five hundred thirty-seven million, four hundred forty thousand, eight hundred fifty-seven".