1255231532 has 24 divisors (see below), whose sum is σ = 2296444416. Its totient is φ = 599206608.

The previous prime is 1255231531. The next prime is 1255231547. The reversal of 1255231532 is 2351325521.

It is a junction number, because it is equal to n+sod(n) for n = 1255231495 and 1255231504.

It is not an unprimeable number, because it can be changed into a prime (1255231531) 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, 37853 + ... + 62795.

It is an arithmetic number, because the mean of its divisors is an integer number (95685184).

Almost surely, 2^1255231532 is an apocalyptic number.

It is an amenable number.

1255231532 is a deficient number, since it is larger than the sum of its proper divisors (1041212884).

1255231532 is a wasteful number, since it uses less digits than its factorization.

1255231532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25517 (or 25515 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 1255231532 is about 35429.2468449444. The cubic root of 1255231532 is about 1078.7180525622.

The spelling of 1255231532 in words is "one billion, two hundred fifty-five million, two hundred thirty-one thousand, five hundred thirty-two".