743986541 has 2 divisors, whose sum is σ = 743986542. Its totient is φ = 743986540.

The previous prime is 743986489. The next prime is 743986549. The reversal of 743986541 is 145689347.

743986541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 718776100 + 25210441 = 26810^2 + 5021^2 .

It is a cyclic number.

It is not a de Polignac number, because 743986541 - 2²² = 739792237 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (743986549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371993270 + 371993271.

It is an arithmetic number, because the mean of its divisors is an integer number (371993271).

Almost surely, 2^743986541 is an apocalyptic number.

It is an amenable number.

743986541 is a deficient number, since it is larger than the sum of its proper divisors (1).

743986541 is an equidigital number, since it uses as much as digits as its factorization.

743986541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 743986541 is about 27276.1166774158. The cubic root of 743986541 is about 906.1255151977.

The spelling of 743986541 in words is "seven hundred forty-three million, nine hundred eighty-six thousand, five hundred forty-one".