1530253250 has 64 divisors (see below), whose sum is σ = 3062562048. Its totient is φ = 571120000.

The previous prime is 1530253247. The next prime is 1530253271. The reversal of 1530253250 is 523520351.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232505 + ... + 238995.

It is an arithmetic number, because the mean of its divisors is an integer number (47852532).

Almost surely, 2^1530253250 is an apocalyptic number.

1530253250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1530253250 is an abundant number, since it is smaller than the sum of its proper divisors (1532308798).

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

1530253250 is a wasteful number, since it uses less digits than its factorization.

1530253250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6572 (or 6562 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 1530253250 is about 39118.4515286584. The cubic root of 1530253250 is about 1152.3589260838.

The spelling of 1530253250 in words is "one billion, five hundred thirty million, two hundred fifty-three thousand, two hundred fifty".