1253503245 has 32 divisors (see below), whose sum is σ = 2235358080. Its totient is φ = 596090880.

The previous prime is 1253503231. The next prime is 1253503253. The reversal of 1253503245 is 5423053521.

1253503245 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1253503245 - 2⁷ = 1253503117 is a prime.

It is a congruent number.

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, 124516 + ... + 134205.

It is an arithmetic number, because the mean of its divisors is an integer number (69854940).

Almost surely, 2^1253503245 is an apocalyptic number.

1253503245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1253503245 is a deficient number, since it is larger than the sum of its proper divisors (981854835).

1253503245 is a wasteful number, since it uses less digits than its factorization.

1253503245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258765.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1253503245 is about 35404.8477612883. The cubic root of 1253503245 is about 1078.2227413676. Note that the first 3 decimals are identical.

Adding to 1253503245 its reverse (5423053521), we get a palindrome (6676556766).

The spelling of 1253503245 in words is "one billion, two hundred fifty-three million, five hundred three thousand, two hundred forty-five".