1253503255 has 8 divisors (see below), whose sum is σ = 1504428912. Its totient is φ = 1002652608.

The previous prime is 1253503253. The next prime is 1253503271. The reversal of 1253503255 is 5523053521.

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

It is a cyclic number.

It is not a de Polignac number, because 1253503255 - 2¹ = 1253503253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253503253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29139 + ... + 57931.

It is an arithmetic number, because the mean of its divisors is an integer number (188053614).

Almost surely, 2^1253503255 is an apocalyptic number.

1253503255 is a deficient number, since it is larger than the sum of its proper divisors (250925657).

1253503255 is an equidigital number, since it uses as much as digits as its factorization.

1253503255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37505.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 1253503255 is about 35404.8479025119. The cubic root of 1253503255 is about 1078.2227442348. Note that the first 3 decimals are identical.

Adding to 1253503255 its reverse (5523053521), we get a palindrome (6776556776).

The spelling of 1253503255 in words is "one billion, two hundred fifty-three million, five hundred three thousand, two hundred fifty-five".