41252989 has 2 divisors, whose sum is σ = 41252990. Its totient is φ = 41252988.

The previous prime is 41252987. The next prime is 41253001. The reversal of 41252989 is 98925214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38875225 + 2377764 = 6235^2 + 1542^2 .

It is a cyclic number.

It is not a de Polignac number, because 41252989 - 2¹ = 41252987 is a prime.

Together with 41252987, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41252983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20626494 + 20626495.

It is an arithmetic number, because the mean of its divisors is an integer number (20626495).

Almost surely, 2^41252989 is an apocalyptic number.

It is an amenable number.

41252989 is a deficient number, since it is larger than the sum of its proper divisors (1).

41252989 is an equidigital number, since it uses as much as digits as its factorization.

41252989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The square root of 41252989 is about 6422.8489784519. The cubic root of 41252989 is about 345.5295068566.

The spelling of 41252989 in words is "forty-one million, two hundred fifty-two thousand, nine hundred eighty-nine".