1253294343 has 64 divisors (see below), whose sum is σ = 2189721600. Its totient is φ = 693675360.

The previous prime is 1253294333. The next prime is 1253294353. The reversal of 1253294343 is 3434923521.

1253294343 is a `hidden beast` number, since 1 + 2 + 532 + 94 + 34 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1253294333) and next prime (1253294353).

It is not a de Polignac number, because 1253294343 - 2⁸ = 1253294087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1253294298 and 1253294307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253294323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 790930 + ... + 792512.

It is an arithmetic number, because the mean of its divisors is an integer number (34214400).

Almost surely, 2^1253294343 is an apocalyptic number.

1253294343 is a deficient number, since it is larger than the sum of its proper divisors (936427257).

1253294343 is a wasteful number, since it uses less digits than its factorization.

1253294343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729 (or 1723 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 1253294343 is about 35401.8974491481. The cubic root of 1253294343 is about 1078.1628411368.

The spelling of 1253294343 in words is "one billion, two hundred fifty-three million, two hundred ninety-four thousand, three hundred forty-three".