249436453 has 16 divisors (see below), whose sum is σ = 296254080. Its totient is φ = 205482816.

The previous prime is 249436433. The next prime is 249436457. The reversal of 249436453 is 354634942.

It is a de Polignac number, because none of the positive numbers 2^k-249436453 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 (249436457) 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, 43375 + ... + 48787.

It is an arithmetic number, because the mean of its divisors is an integer number (18515880).

Almost surely, 2^249436453 is an apocalyptic number.

It is an amenable number.

249436453 is a deficient number, since it is larger than the sum of its proper divisors (46817627).

249436453 is a wasteful number, since it uses less digits than its factorization.

249436453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5676.

The product of its digits is 311040, while the sum is 40.

The square root of 249436453 is about 15793.5573256946. The cubic root of 249436453 is about 629.4868190096.

The spelling of 249436453 in words is "two hundred forty-nine million, four hundred thirty-six thousand, four hundred fifty-three".