535964721 has 16 divisors (see below), whose sum is σ = 734616000. Its totient is φ = 347329728.

The previous prime is 535964659. The next prime is 535964731. The reversal of 535964721 is 127469535.

It is not a de Polignac number, because 535964721 - 2⁶ = 535964657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (535964731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197230 + ... + 199928.

It is an arithmetic number, because the mean of its divisors is an integer number (45913500).

Almost surely, 2^535964721 is an apocalyptic number.

It is an amenable number.

535964721 is a deficient number, since it is larger than the sum of its proper divisors (198651279).

535964721 is a wasteful number, since it uses less digits than its factorization.

535964721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528.

The product of its digits is 226800, while the sum is 42.

The square root of 535964721 is about 23150.9118826883. The cubic root of 535964721 is about 812.2917978877.

The spelling of 535964721 in words is "five hundred thirty-five million, nine hundred sixty-four thousand, seven hundred twenty-one".