40251067 has 2 divisors, whose sum is σ = 40251068. Its totient is φ = 40251066.

The previous prime is 40251059. The next prime is 40251089. The reversal of 40251067 is 76015204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40251067 - 2³ = 40251059 is a prime.

It is not a weakly prime, because it can be changed into another prime (40251007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20125533 + 20125534.

It is an arithmetic number, because the mean of its divisors is an integer number (20125534).

Almost surely, 2^40251067 is an apocalyptic number.

40251067 is a deficient number, since it is larger than the sum of its proper divisors (1).

40251067 is an equidigital number, since it uses as much as digits as its factorization.

40251067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40251067 is about 6344.3728610478. The cubic root of 40251067 is about 342.7092283673.

The spelling of 40251067 in words is "forty million, two hundred fifty-one thousand, sixty-seven".