41389157 has 2 divisors, whose sum is σ = 41389158. Its totient is φ = 41389156.

The previous prime is 41389151. The next prime is 41389189. The reversal of 41389157 is 75198314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25140196 + 16248961 = 5014^2 + 4031^2 .

It is a cyclic number.

It is not a de Polignac number, because 41389157 - 2⁴ = 41389141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41389157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41389151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20694578 + 20694579.

It is an arithmetic number, because the mean of its divisors is an integer number (20694579).

Almost surely, 2^41389157 is an apocalyptic number.

It is an amenable number.

41389157 is a deficient number, since it is larger than the sum of its proper divisors (1).

41389157 is an equidigital number, since it uses as much as digits as its factorization.

41389157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 41389157 is about 6433.4405258773. The cubic root of 41389157 is about 345.9092643003.

The spelling of 41389157 in words is "forty-one million, three hundred eighty-nine thousand, one hundred fifty-seven".