1253330245 has 16 divisors (see below), whose sum is σ = 1545933312. Its totient is φ = 974917440.

The previous prime is 1253330209. The next prime is 1253330249. The reversal of 1253330245 is 5420333521.

It is not a de Polignac number, because 1253330245 - 2⁹ = 1253329733 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 (1253330249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34875 + ... + 61015.

It is an arithmetic number, because the mean of its divisors is an integer number (96620832).

Almost surely, 2^1253330245 is an apocalyptic number.

It is an amenable number.

1253330245 is a deficient number, since it is larger than the sum of its proper divisors (292603067).

1253330245 is a wasteful number, since it uses less digits than its factorization.

1253330245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26412.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1253330245 is about 35402.4045087336. The cubic root of 1253330245 is about 1078.1731360935.

Adding to 1253330245 its reverse (5420333521), we get a palindrome (6673663766).

It can be divided in two parts, 12533 and 30245, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 1253330245 in words is "one billion, two hundred fifty-three million, three hundred thirty thousand, two hundred forty-five".