531225517252 has 12 divisors (see below), whose sum is σ = 931272758416. Its totient is φ = 265147586280.

The previous prime is 531225517243. The next prime is 531225517261. The reversal of 531225517252 is 252715522135.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (531225517243) and next prime (531225517261).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116290518 + ... + 116295085.

Almost surely, 2^531225517252 is an apocalyptic number.

It is an amenable number.

531225517252 is a deficient number, since it is larger than the sum of its proper divisors (400047241164).

531225517252 is a wasteful number, since it uses less digits than its factorization.

531225517252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232586178 (or 232586176 counting only the distinct ones).

The product of its digits is 210000, while the sum is 40.

The spelling of 531225517252 in words is "five hundred thirty-one billion, two hundred twenty-five million, five hundred seventeen thousand, two hundred fifty-two".