40525949 has 2 divisors, whose sum is σ = 40525950. Its totient is φ = 40525948.

The previous prime is 40525937. The next prime is 40525957. The reversal of 40525949 is 94952504.

40525949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23863225 + 16662724 = 4885^2 + 4082^2 .

It is a cyclic number.

It is not a de Polignac number, because 40525949 - 2¹² = 40521853 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 (40575949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20262974 + 20262975.

It is an arithmetic number, because the mean of its divisors is an integer number (20262975).

Almost surely, 2^40525949 is an apocalyptic number.

It is an amenable number.

40525949 is a deficient number, since it is larger than the sum of its proper divisors (1).

40525949 is an equidigital number, since it uses as much as digits as its factorization.

40525949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 40525949 is about 6365.9994502042. Note that the first 3 decimals coincide. The cubic root of 40525949 is about 343.4876007861.

It can be divided in two parts, 4052 and 5949, that added together give a palindrome (10001).

The spelling of 40525949 in words is "forty million, five hundred twenty-five thousand, nine hundred forty-nine".