248925778 has 4 divisors (see below), whose sum is σ = 373388670. Its totient is φ = 124462888.

The previous prime is 248925769. The next prime is 248925793. The reversal of 248925778 is 877529842.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 233692369 + 15233409 = 15287^2 + 3903^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62231443 + ... + 62231446.

Almost surely, 2^248925778 is an apocalyptic number.

248925778 is a deficient number, since it is larger than the sum of its proper divisors (124462892).

248925778 is a wasteful number, since it uses less digits than its factorization.

248925778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124462891.

The product of its digits is 2257920, while the sum is 52.

The square root of 248925778 is about 15777.3818487099. The cubic root of 248925778 is about 629.0569395672.

The spelling of 248925778 in words is "two hundred forty-eight million, nine hundred twenty-five thousand, seven hundred seventy-eight".