501362749 has 2 divisors, whose sum is σ = 501362750. Its totient is φ = 501362748.

The previous prime is 501362683. The next prime is 501362761. The reversal of 501362749 is 947263105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388365849 + 112996900 = 19707^2 + 10630^2 .

It is a cyclic number.

It is not a de Polignac number, because 501362749 - 2¹⁵ = 501329981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501362779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250681374 + 250681375.

It is an arithmetic number, because the mean of its divisors is an integer number (250681375).

Almost surely, 2^501362749 is an apocalyptic number.

It is an amenable number.

501362749 is a deficient number, since it is larger than the sum of its proper divisors (1).

501362749 is an equidigital number, since it uses as much as digits as its factorization.

501362749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 501362749 is about 22391.1310344074. The cubic root of 501362749 is about 794.4209482755.

The spelling of 501362749 in words is "five hundred one million, three hundred sixty-two thousand, seven hundred forty-nine".