1255532000 has 48 divisors (see below), whose sum is σ = 3084851952. Its totient is φ = 502211200.

The previous prime is 1255531987. The next prime is 1255532101. The reversal of 1255532000 is 2355521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152942 + ... + 160941.

It is an arithmetic number, because the mean of its divisors is an integer number (64267749).

Almost surely, 2^1255532000 is an apocalyptic number.

1255532000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255532000 is an abundant number, since it is smaller than the sum of its proper divisors (1829319952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255532000 is an equidigital number, since it uses as much as digits as its factorization.

1255532000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313908 (or 313890 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 1255532000 is about 35433.4869861830. The cubic root of 1255532000 is about 1078.8041175335.

Adding to 1255532000 its reverse (2355521), we get a palindrome (1257887521).

The spelling of 1255532000 in words is "one billion, two hundred fifty-five million, five hundred thirty-two thousand".