249125066 has 8 divisors (see below), whose sum is σ = 374576484. Its totient is φ = 124266240.

The previous prime is 249125027. The next prime is 249125087. The reversal of 249125066 is 660521942.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 248976841 + 148225 = 15779^2 + 385^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147095 + ... + 148778.

Almost surely, 2^249125066 is an apocalyptic number.

249125066 is a deficient number, since it is larger than the sum of its proper divisors (125451418).

249125066 is a wasteful number, since it uses less digits than its factorization.

249125066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296296.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 249125066 is about 15783.6962084298. The cubic root of 249125066 is about 629.2247674505.

The spelling of 249125066 in words is "two hundred forty-nine million, one hundred twenty-five thousand, sixty-six".