252449726 has 4 divisors (see below), whose sum is σ = 378674592. Its totient is φ = 126224862.

The previous prime is 252449699. The next prime is 252449753. The reversal of 252449726 is 627944252.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (252449699) and next prime (252449753).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63112430 + ... + 63112433.

It is an arithmetic number, because the mean of its divisors is an integer number (94668648).

Almost surely, 2^252449726 is an apocalyptic number.

252449726 is a deficient number, since it is larger than the sum of its proper divisors (126224866).

252449726 is a wasteful number, since it uses less digits than its factorization.

252449726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126224865.

The product of its digits is 241920, while the sum is 41.

The square root of 252449726 is about 15888.6665897425. Note that the first 3 decimals coincide. The cubic root of 252449726 is about 632.0114813248.

The spelling of 252449726 in words is "two hundred fifty-two million, four hundred forty-nine thousand, seven hundred twenty-six".