749533541 has 2 divisors, whose sum is σ = 749533542. Its totient is φ = 749533540.

The previous prime is 749533513. The next prime is 749533571. The reversal of 749533541 is 145335947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 612760516 + 136773025 = 24754^2 + 11695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749533541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749533501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374766770 + 374766771.

It is an arithmetic number, because the mean of its divisors is an integer number (374766771).

Almost surely, 2^749533541 is an apocalyptic number.

It is an amenable number.

749533541 is a deficient number, since it is larger than the sum of its proper divisors (1).

749533541 is an equidigital number, since it uses as much as digits as its factorization.

749533541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 749533541 is about 27377.6102134573. The cubic root of 749533541 is about 908.3718990743.

The spelling of 749533541 in words is "seven hundred forty-nine million, five hundred thirty-three thousand, five hundred forty-one".