41440253 has 2 divisors, whose sum is σ = 41440254. Its totient is φ = 41440252.

The previous prime is 41440249. The next prime is 41440277. The reversal of 41440253 is 35204414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38278969 + 3161284 = 6187^2 + 1778^2 .

It is a cyclic number.

It is not a de Polignac number, because 41440253 - 2² = 41440249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41440213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20720126 + 20720127.

It is an arithmetic number, because the mean of its divisors is an integer number (20720127).

Almost surely, 2^41440253 is an apocalyptic number.

It is an amenable number.

41440253 is a deficient number, since it is larger than the sum of its proper divisors (1).

41440253 is an equidigital number, since it uses as much as digits as its factorization.

41440253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 41440253 is about 6437.4104265613. The cubic root of 41440253 is about 346.0515504512.

Adding to 41440253 its reverse (35204414), we get a palindrome (76644667).

The spelling of 41440253 in words is "forty-one million, four hundred forty thousand, two hundred fifty-three".