531225051 has 8 divisors (see below), whose sum is σ = 809485824. Its totient is φ = 303557160.

The previous prime is 531225049. The next prime is 531225073. The reversal of 531225051 is 150522135.

It is a happy number.

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

It is not a de Polignac number, because 531225051 - 2¹ = 531225049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531225001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12648195 + ... + 12648236.

It is an arithmetic number, because the mean of its divisors is an integer number (101185728).

Almost surely, 2^531225051 is an apocalyptic number.

531225051 is a deficient number, since it is larger than the sum of its proper divisors (278260773).

531225051 is a wasteful number, since it uses less digits than its factorization.

531225051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25296441.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 531225051 is about 23048.3199170786. The cubic root of 531225051 is about 809.8902716778.

Adding to 531225051 its reverse (150522135), we get a palindrome (681747186).

The spelling of 531225051 in words is "five hundred thirty-one million, two hundred twenty-five thousand, fifty-one".