535744641 has 4 divisors (see below), whose sum is σ = 714326192. Its totient is φ = 357163092.

The previous prime is 535744621. The next prime is 535744661. The reversal of 535744641 is 146447535.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (535744621) and next prime (535744661).

It is not a de Polignac number, because 535744641 - 2¹⁰ = 535743617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 535744641.

It is not an unprimeable number, because it can be changed into a prime (535744621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89290771 + ... + 89290776.

It is an arithmetic number, because the mean of its divisors is an integer number (178581548).

Almost surely, 2^535744641 is an apocalyptic number.

It is an amenable number.

535744641 is a deficient number, since it is larger than the sum of its proper divisors (178581551).

535744641 is a wasteful number, since it uses less digits than its factorization.

535744641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178581550.

The product of its digits is 201600, while the sum is 39.

The square root of 535744641 is about 23146.1582341433. The cubic root of 535744641 is about 812.1806004859.

The spelling of 535744641 in words is "five hundred thirty-five million, seven hundred forty-four thousand, six hundred forty-one".