743243525 has 6 divisors (see below), whose sum is σ = 921622002. Its totient is φ = 594594800.

The previous prime is 743243521. The next prime is 743243537. The reversal of 743243525 is 525342347.

It can be written as a sum of positive squares in 3 ways, for example, as 27520516 + 715723009 = 5246^2 + 26753^2 .

It is not a de Polignac number, because 743243525 - 2² = 743243521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743243521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14864846 + ... + 14864895.

It is an arithmetic number, because the mean of its divisors is an integer number (153603667).

Almost surely, 2^743243525 is an apocalyptic number.

It is an amenable number.

743243525 is a deficient number, since it is larger than the sum of its proper divisors (178378477).

743243525 is a wasteful number, since it uses less digits than its factorization.

743243525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29729751 (or 29729746 counting only the distinct ones).

The product of its digits is 100800, while the sum is 35.

The square root of 743243525 is about 27262.4930077937. The cubic root of 743243525 is about 905.8237669033.

The spelling of 743243525 in words is "seven hundred forty-three million, two hundred forty-three thousand, five hundred twenty-five".