531225415 has 24 divisors (see below), whose sum is σ = 742618800. Its totient is φ = 363742848.

The previous prime is 531225403. The next prime is 531225419. The reversal of 531225415 is 514522135.

It is not a de Polignac number, because 531225415 - 2¹¹ = 531223367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531225419) 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 23 ways as a sum of consecutive naturals, for example, 252036 + ... + 254134.

It is an arithmetic number, because the mean of its divisors is an integer number (30942450).

Almost surely, 2^531225415 is an apocalyptic number.

531225415 is a deficient number, since it is larger than the sum of its proper divisors (211393385).

531225415 is a wasteful number, since it uses less digits than its factorization.

531225415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151 (or 3144 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 531225415 is about 23048.3278135313. The cubic root of 531225415 is about 809.8904566590.

The spelling of 531225415 in words is "five hundred thirty-one million, two hundred twenty-five thousand, four hundred fifteen".