40248541 has 2 divisors, whose sum is σ = 40248542. Its totient is φ = 40248540.

The previous prime is 40248499. The next prime is 40248547. The reversal of 40248541 is 14584204.

40248541 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., 23561316 + 16687225 = 4854^2 + 4085^2 .

It is a cyclic number.

It is not a de Polignac number, because 40248541 - 2²¹ = 38151389 is a prime.

It is equal to p_2447821 and since 40248541 and 2447821 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40248547) 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, 20124270 + 20124271.

It is an arithmetic number, because the mean of its divisors is an integer number (20124271).

Almost surely, 2^40248541 is an apocalyptic number.

It is an amenable number.

40248541 is a deficient number, since it is larger than the sum of its proper divisors (1).

40248541 is an equidigital number, since it uses as much as digits as its factorization.

40248541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 40248541 is about 6344.1737838745. The cubic root of 40248541 is about 342.7020591857.

The spelling of 40248541 in words is "forty million, two hundred forty-eight thousand, five hundred forty-one".