531726225 has 12 divisors (see below), whose sum is σ = 879120816. Its totient is φ = 283587280.

The previous prime is 531726211. The next prime is 531726227. The reversal of 531726225 is 522627135.

It is not a de Polignac number, because 531726225 - 2⁸ = 531725969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531726227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3544767 + ... + 3544916.

It is an arithmetic number, because the mean of its divisors is an integer number (73260068).

Almost surely, 2^531726225 is an apocalyptic number.

It is an amenable number.

531726225 is a deficient number, since it is larger than the sum of its proper divisors (347394591).

531726225 is a wasteful number, since it uses less digits than its factorization.

531726225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7089696 (or 7089691 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 531726225 is about 23059.1895998103. The cubic root of 531726225 is about 810.1448833960.

The spelling of 531726225 in words is "five hundred thirty-one million, seven hundred twenty-six thousand, two hundred twenty-five".