1000249453 has 8 divisors (see below), whose sum is σ = 1174038272. Its totient is φ = 834184656.

The previous prime is 1000249447. The next prime is 1000249477. The reversal of 1000249453 is 3549420001.

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 1000249453 - 2²⁹ = 463378541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000249483) 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, 1930725 + ... + 1931242.

It is an arithmetic number, because the mean of its divisors is an integer number (146754784).

Almost surely, 2^1000249453 is an apocalyptic number.

It is an amenable number.

1000249453 is a deficient number, since it is larger than the sum of its proper divisors (173788819).

1000249453 is an equidigital number, since it uses as much as digits as its factorization.

1000249453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862011.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1000249453 is about 31626.7205539873. The cubic root of 1000249453 is about 1000.0831440869.

Adding to 1000249453 its reverse (3549420001), we get a palindrome (4549669454).

The spelling of 1000249453 in words is "one billion, two hundred forty-nine thousand, four hundred fifty-three".