1253251351 has 4 divisors (see below), whose sum is σ = 1367183304. Its totient is φ = 1139319400.

The previous prime is 1253251217. The next prime is 1253251361. The reversal of 1253251351 is 1531523521.

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

It is a cyclic number.

It is not a de Polignac number, because 1253251351 - 2⁹ = 1253250839 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 (1253251361) 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, 56965960 + ... + 56965981.

It is an arithmetic number, because the mean of its divisors is an integer number (341795826).

Almost surely, 2^1253251351 is an apocalyptic number.

1253251351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1253251351 is a deficient number, since it is larger than the sum of its proper divisors (113931953).

1253251351 is a wasteful number, since it uses less digits than its factorization.

1253251351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113931952.

The product of its digits is 4500, while the sum is 28.

The square root of 1253251351 is about 35401.2902448484. The cubic root of 1253251351 is about 1078.1505128525.

Adding to 1253251351 its reverse (1531523521), we get a palindrome (2784774872).

The spelling of 1253251351 in words is "one billion, two hundred fifty-three million, two hundred fifty-one thousand, three hundred fifty-one".