41215091 has 2 divisors, whose sum is σ = 41215092. Its totient is φ = 41215090.

The previous prime is 41215081. The next prime is 41215121. The reversal of 41215091 is 19051214.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41215091 - 2¹⁰ = 41214067 is a prime.

It is a super-2 number, since 2×41215091² = 3397367452276562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41215051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20607545 + 20607546.

It is an arithmetic number, because the mean of its divisors is an integer number (20607546).

Almost surely, 2^41215091 is an apocalyptic number.

41215091 is a deficient number, since it is larger than the sum of its proper divisors (1).

41215091 is an equidigital number, since it uses as much as digits as its factorization.

41215091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 41215091 is about 6419.8980521500. The cubic root of 41215091 is about 345.4236649157.

The spelling of 41215091 in words is "forty-one million, two hundred fifteen thousand, ninety-one".