40225487 has 2 divisors, whose sum is σ = 40225488. Its totient is φ = 40225486.

The previous prime is 40225429. The next prime is 40225583. The reversal of 40225487 is 78452204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40225487 - 2²² = 36031183 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 (40225187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20112743 + 20112744.

It is an arithmetic number, because the mean of its divisors is an integer number (20112744).

Almost surely, 2^40225487 is an apocalyptic number.

40225487 is a deficient number, since it is larger than the sum of its proper divisors (1).

40225487 is an equidigital number, since it uses as much as digits as its factorization.

40225487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 40225487 is about 6342.3565809563. The cubic root of 40225487 is about 342.6366144762.

The spelling of 40225487 in words is "forty million, two hundred twenty-five thousand, four hundred eighty-seven".