40525699 has 2 divisors, whose sum is σ = 40525700. Its totient is φ = 40525698.

The previous prime is 40525697. The next prime is 40525717. The reversal of 40525699 is 99652504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40525699 - 2¹ = 40525697 is a prime.

Together with 40525697, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40525691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20262849 + 20262850.

It is an arithmetic number, because the mean of its divisors is an integer number (20262850).

Almost surely, 2^40525699 is an apocalyptic number.

40525699 is a deficient number, since it is larger than the sum of its proper divisors (1).

40525699 is an equidigital number, since it uses as much as digits as its factorization.

40525699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 40525699 is about 6365.9798146083. The cubic root of 40525699 is about 343.4868944726.

The spelling of 40525699 in words is "forty million, five hundred twenty-five thousand, six hundred ninety-nine".