505953941 has 2 divisors, whose sum is σ = 505953942. Its totient is φ = 505953940.

The previous prime is 505953937. The next prime is 505953967. The reversal of 505953941 is 149359505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291214225 + 214739716 = 17065^2 + 14654^2 .

It is a cyclic number.

It is not a de Polignac number, because 505953941 - 2² = 505953937 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505953901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252976970 + 252976971.

It is an arithmetic number, because the mean of its divisors is an integer number (252976971).

Almost surely, 2^505953941 is an apocalyptic number.

It is an amenable number.

505953941 is a deficient number, since it is larger than the sum of its proper divisors (1).

505953941 is an equidigital number, since it uses as much as digits as its factorization.

505953941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 505953941 is about 22493.4199489540. The cubic root of 505953941 is about 796.8385338094.

The spelling of 505953941 in words is "five hundred five million, nine hundred fifty-three thousand, nine hundred forty-one".