531002245 has 8 divisors (see below), whose sum is σ = 637439616. Its totient is φ = 424643856.

The previous prime is 531002237. The next prime is 531002249. The reversal of 531002245 is 542200135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531002245 - 2³ = 531002237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531002249) 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 7 ways as a sum of consecutive naturals, for example, 3777 + ... + 32806.

It is an arithmetic number, because the mean of its divisors is an integer number (79679952).

Almost surely, 2^531002245 is an apocalyptic number.

It is an amenable number.

531002245 is a deficient number, since it is larger than the sum of its proper divisors (106437371).

531002245 is a wasteful number, since it uses less digits than its factorization.

531002245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39491.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 531002245 is about 23043.4859559052. The cubic root of 531002245 is about 809.7770279937. Note that the first 3 decimals are identical.

The spelling of 531002245 in words is "five hundred thirty-one million, two thousand, two hundred forty-five".