1253433147 has 16 divisors (see below), whose sum is σ = 1686182400. Its totient is φ = 828178400.

The previous prime is 1253433131. The next prime is 1253433161. The reversal of 1253433147 is 7413343521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1253433147 - 2⁴ = 1253433131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253435147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216622 + ... + 222332.

It is an arithmetic number, because the mean of its divisors is an integer number (105386400).

Almost surely, 2^1253433147 is an apocalyptic number.

1253433147 is a deficient number, since it is larger than the sum of its proper divisors (432749253).

1253433147 is a wasteful number, since it uses less digits than its factorization.

1253433147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6354.

The product of its digits is 30240, while the sum is 33.

The square root of 1253433147 is about 35403.8577982683. The cubic root of 1253433147 is about 1078.2026423193.

Adding to 1253433147 its reverse (7413343521), we get a palindrome (8666776668).

The spelling of 1253433147 in words is "one billion, two hundred fifty-three million, four hundred thirty-three thousand, one hundred forty-seven".