531077225 has 24 divisors (see below), whose sum is σ = 766825920. Its totient is φ = 357289920.

The previous prime is 531077221. The next prime is 531077233. The reversal of 531077225 is 522770135.

It is not a de Polignac number, because 531077225 - 2² = 531077221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531077191 and 531077200.

It is not an unprimeable number, because it can be changed into a prime (531077221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19355 + ... + 37904.

It is an arithmetic number, because the mean of its divisors is an integer number (31951080).

Almost surely, 2^531077225 is an apocalyptic number.

It is an amenable number.

531077225 is a deficient number, since it is larger than the sum of its proper divisors (235748695).

531077225 is a wasteful number, since it uses less digits than its factorization.

531077225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57329 (or 57324 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 531077225 is about 23045.1128224619. The cubic root of 531077225 is about 809.8151409675.

The spelling of 531077225 in words is "five hundred thirty-one million, seventy-seven thousand, two hundred twenty-five".