41020253531 has 2 divisors, whose sum is σ = 41020253532. Its totient is φ = 41020253530.

The previous prime is 41020253503. The next prime is 41020253539. The reversal of 41020253531 is 13535202014.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41020253531 is a prime.

It is a super-2 number, since 2×41020253531² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41020253531.

It is not a weakly prime, because it can be changed into another prime (41020253539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20510126765 + 20510126766.

It is an arithmetic number, because the mean of its divisors is an integer number (20510126766).

Almost surely, 2^41020253531 is an apocalyptic number.

41020253531 is a deficient number, since it is larger than the sum of its proper divisors (1).

41020253531 is an equidigital number, since it uses as much as digits as its factorization.

41020253531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 41020253531 its reverse (13535202014), we get a palindrome (54555455545).

The spelling of 41020253531 in words is "forty-one billion, twenty million, two hundred fifty-three thousand, five hundred thirty-one".