40250071 has 2 divisors, whose sum is σ = 40250072. Its totient is φ = 40250070.

The previous prime is 40250047. The next prime is 40250081. The reversal of 40250071 is 17005204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40250071 - 2¹⁷ = 40118999 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 (40250011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20125035 + 20125036.

It is an arithmetic number, because the mean of its divisors is an integer number (20125036).

Almost surely, 2^40250071 is an apocalyptic number.

40250071 is a deficient number, since it is larger than the sum of its proper divisors (1).

40250071 is an equidigital number, since it uses as much as digits as its factorization.

40250071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 40250071 is about 6344.2943658062. The cubic root of 40250071 is about 342.7064015999.

Adding to 40250071 its reverse (17005204), we get a palindrome (57255275).

The spelling of 40250071 in words is "forty million, two hundred fifty thousand, seventy-one".