249716552 has 36 divisors (see below), whose sum is σ = 484423065. Its totient is φ = 120679200.

The previous prime is 249716491. The next prime is 249716557. The reversal of 249716552 is 255617942.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 201469636 + 48246916 = 14194^2 + 6946^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=11174.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249716557) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1653677 + ... + 1653827.

Almost surely, 2^249716552 is an apocalyptic number.

It is an amenable number.

249716552 is a deficient number, since it is larger than the sum of its proper divisors (234706513).

249716552 is an equidigital number, since it uses as much as digits as its factorization.

249716552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 190 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 249716552 is about 15802.4223459570. The cubic root of 249716552 is about 629.7223535113.

The spelling of 249716552 in words is "two hundred forty-nine million, seven hundred sixteen thousand, five hundred fifty-two".