248525990 has 16 divisors (see below), whose sum is σ = 448351200. Its totient is φ = 99187200.

The previous prime is 248525951. The next prime is 248525993. The reversal of 248525990 is 99525842.

It is a super-3 number, since 3×248525990³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248525993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23186 + ... + 32165.

It is an arithmetic number, because the mean of its divisors is an integer number (28021950).

Almost surely, 2^248525990 is an apocalyptic number.

248525990 is a deficient number, since it is larger than the sum of its proper divisors (199825210).

248525990 is a wasteful number, since it uses less digits than its factorization.

248525990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55807.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 248525990 is about 15764.7071016242. The cubic root of 248525990 is about 628.7199928501.

The spelling of 248525990 in words is "two hundred forty-eight million, five hundred twenty-five thousand, nine hundred ninety".