1253730233 has 8 divisors (see below), whose sum is σ = 1482242880. Its totient is φ = 1037569680.

The previous prime is 1253730223. The next prime is 1253730239. The reversal of 1253730233 is 3320373521.

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

It is not a de Polignac number, because 1253730233 - 2²² = 1249535929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1253730196 and 1253730205.

It is not an unprimeable number, because it can be changed into a prime (1253730239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3087803 + ... + 3088208.

It is an arithmetic number, because the mean of its divisors is an integer number (185280360).

Almost surely, 2^1253730233 is an apocalyptic number.

It is an amenable number.

1253730233 is a deficient number, since it is larger than the sum of its proper divisors (228512647).

1253730233 is an equidigital number, since it uses as much as digits as its factorization.

1253730233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6176047.

The product of its (nonzero) digits is 11340, while the sum is 29.

The square root of 1253730233 is about 35408.0532223956. The cubic root of 1253730233 is about 1078.2878200057.

The spelling of 1253730233 in words is "one billion, two hundred fifty-three million, seven hundred thirty thousand, two hundred thirty-three".