1253250245 has 8 divisors (see below), whose sum is σ = 1619585016. Its totient is φ = 925477056.

The previous prime is 1253250227. The next prime is 1253250259. The reversal of 1253250245 is 5420523521.

It can be written as a sum of positive squares in 4 ways, for example, as 16532356 + 1236717889 = 4066^2 + 35167^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253250245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9640322 + ... + 9640451.

It is an arithmetic number, because the mean of its divisors is an integer number (202448127).

Almost surely, 2^1253250245 is an apocalyptic number.

It is an amenable number.

1253250245 is a deficient number, since it is larger than the sum of its proper divisors (366334771).

1253250245 is a wasteful number, since it uses less digits than its factorization.

1253250245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19280791.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1253250245 is about 35401.2746239454. The cubic root of 1253250245 is about 1078.1501956949.

Adding to 1253250245 its reverse (5420523521), we get a palindrome (6673773766).

The spelling of 1253250245 in words is "one billion, two hundred fifty-three million, two hundred fifty thousand, two hundred forty-five".