1253489471 has 8 divisors (see below), whose sum is σ = 1351506240. Its totient is φ = 1155700512.

The previous prime is 1253489459. The next prime is 1253489491. The reversal of 1253489471 is 1749843521.

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

It is a cyclic number.

It is not a de Polignac number, because 1253489471 - 2²⁶ = 1186380607 is a prime.

It is a super-3 number, since 3×1253489471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253489401) 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, 45431 + ... + 67608.

It is an arithmetic number, because the mean of its divisors is an integer number (168938280).

Almost surely, 2^1253489471 is an apocalyptic number.

1253489471 is a deficient number, since it is larger than the sum of its proper divisors (98016769).

1253489471 is a wasteful number, since it uses less digits than its factorization.

1253489471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113905.

The product of its digits is 241920, while the sum is 44.

The square root of 1253489471 is about 35404.6532393695. The cubic root of 1253489471 is about 1078.2187920374.

The spelling of 1253489471 in words is "one billion, two hundred fifty-three million, four hundred eighty-nine thousand, four hundred seventy-one".