1253250250 has 32 divisors (see below), whose sum is σ = 2681243136. Its totient is φ = 429685200.

The previous prime is 1253250227. The next prime is 1253250259. The reversal of 1253250250 is 520523521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1253250259) 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, 356322 + ... + 359821.

It is an arithmetic number, because the mean of its divisors is an integer number (83788848).

Almost surely, 2^1253250250 is an apocalyptic number.

1253250250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253250250 is an abundant number, since it is smaller than the sum of its proper divisors (1427992886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253250250 is an equidigital number, since it uses as much as digits as its factorization.

1253250250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716167 (or 716157 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1253250250 is about 35401.2746945643. The cubic root of 1253250250 is about 1078.1501971287.

Adding to 1253250250 its reverse (520523521), we get a palindrome (1773773771).

The spelling of 1253250250 in words is "one billion, two hundred fifty-three million, two hundred fifty thousand, two hundred fifty".