1253265245 has 32 divisors (see below), whose sum is σ = 1638475776. Its totient is φ = 916531200.

The previous prime is 1253265203. The next prime is 1253265253. The reversal of 1253265245 is 5425623521.

It is not a de Polignac number, because 1253265245 - 2¹⁴ = 1253248861 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, 943772 + ... + 945098.

It is an arithmetic number, because the mean of its divisors is an integer number (51202368).

Almost surely, 2^1253265245 is an apocalyptic number.

It is an amenable number.

1253265245 is a deficient number, since it is larger than the sum of its proper divisors (385210531).

1253265245 is a wasteful number, since it uses less digits than its factorization.

1253265245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661.

The product of its digits is 72000, while the sum is 35.

The square root of 1253265245 is about 35401.4864800901. The cubic root of 1253265245 is about 1078.1544970940.

Adding to 1253265245 its reverse (5425623521), we get a palindrome (6678888766).

It can be divided in two parts, 12532 and 65245, that added together give a palindrome (77777).

The spelling of 1253265245 in words is "one billion, two hundred fifty-three million, two hundred sixty-five thousand, two hundred forty-five".