40532897 has 2 divisors, whose sum is σ = 40532898. Its totient is φ = 40532896.

The previous prime is 40532881. The next prime is 40532911. The reversal of 40532897 is 79823504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29767936 + 10764961 = 5456^2 + 3281^2 .

It is a cyclic number.

It is not a de Polignac number, because 40532897 - 2⁴ = 40532881 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40532897.

It is not a weakly prime, because it can be changed into another prime (40532827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20266448 + 20266449.

It is an arithmetic number, because the mean of its divisors is an integer number (20266449).

Almost surely, 2^40532897 is an apocalyptic number.

It is an amenable number.

40532897 is a deficient number, since it is larger than the sum of its proper divisors (1).

40532897 is an equidigital number, since it uses as much as digits as its factorization.

40532897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 40532897 is about 6366.5451384562. The cubic root of 40532897 is about 343.5072294893.

The spelling of 40532897 in words is "forty million, five hundred thirty-two thousand, eight hundred ninety-seven".