1253254533 has 4 divisors (see below), whose sum is σ = 1671006048. Its totient is φ = 835503020.

The previous prime is 1253254529. The next prime is 1253254547. The reversal of 1253254533 is 3354523521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1253254533 - 2² = 1253254529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1253254494 and 1253254503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253254133) 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, 208875753 + ... + 208875758.

It is an arithmetic number, because the mean of its divisors is an integer number (417751512).

Almost surely, 2^1253254533 is an apocalyptic number.

It is an amenable number.

1253254533 is a deficient number, since it is larger than the sum of its proper divisors (417751515).

1253254533 is an equidigital number, since it uses as much as digits as its factorization.

1253254533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417751514.

The product of its digits is 54000, while the sum is 33.

The square root of 1253254533 is about 35401.3351866847. The cubic root of 1253254533 is about 1078.1514253250.

The spelling of 1253254533 in words is "one billion, two hundred fifty-three million, two hundred fifty-four thousand, five hundred thirty-three".