1253254207 has 4 divisors (see below), whose sum is σ = 1253531080. Its totient is φ = 1252977336.

The previous prime is 1253254187. The next prime is 1253254213. The reversal of 1253254207 is 7024523521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253254207 is a prime.

It is a super-2 number, since 2×1253254207² = 3141292214726397698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253254237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131532 + ... + 140737.

It is an arithmetic number, because the mean of its divisors is an integer number (313382770).

Almost surely, 2^1253254207 is an apocalyptic number.

1253254207 is a deficient number, since it is larger than the sum of its proper divisors (276873).

1253254207 is an equidigital number, since it uses as much as digits as its factorization.

1253254207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276872.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 1253254207 is about 35401.3305823383. The cubic root of 1253254207 is about 1078.1513318411.

Adding to 1253254207 its reverse (7024523521), we get a palindrome (8277777728).

The spelling of 1253254207 in words is "one billion, two hundred fifty-three million, two hundred fifty-four thousand, two hundred seven".