531228753 has 16 divisors (see below), whose sum is σ = 858552000. Its totient is φ = 321956640.

The previous prime is 531228749. The next prime is 531228779. The reversal of 531228753 is 357822135.

It is a happy number.

It is not a de Polignac number, because 531228753 - 2² = 531228749 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531228713) 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, 894028 + ... + 894621.

It is an arithmetic number, because the mean of its divisors is an integer number (53659500).

Almost surely, 2^531228753 is an apocalyptic number.

It is an amenable number.

531228753 is a deficient number, since it is larger than the sum of its proper divisors (327323247).

531228753 is a wasteful number, since it uses less digits than its factorization.

531228753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788669 (or 1788663 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 531228753 is about 23048.4002264799. The cubic root of 531228753 is about 809.8921529939.

The spelling of 531228753 in words is "five hundred thirty-one million, two hundred twenty-eight thousand, seven hundred fifty-three".