40593457 has 2 divisors, whose sum is σ = 40593458. Its totient is φ = 40593456.

The previous prime is 40593451. The next prime is 40593463. The reversal of 40593457 is 75439504.

It is a balanced prime because it is at equal distance from previous prime (40593451) and next prime (40593463).

It can be written as a sum of positive squares in only one way, i.e., 32160241 + 8433216 = 5671^2 + 2904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40593457 is a prime.

It is not a weakly prime, because it can be changed into another prime (40593451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20296728 + 20296729.

It is an arithmetic number, because the mean of its divisors is an integer number (20296729).

Almost surely, 2^40593457 is an apocalyptic number.

It is an amenable number.

40593457 is a deficient number, since it is larger than the sum of its proper divisors (1).

40593457 is an equidigital number, since it uses as much as digits as its factorization.

40593457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 40593457 is about 6371.2994749894. The cubic root of 40593457 is about 343.6782218395.

The spelling of 40593457 in words is "forty million, five hundred ninety-three thousand, four hundred fifty-seven".