248021901 has 12 divisors (see below), whose sum is σ = 358407712. Its totient is φ = 165276936.

The previous prime is 248021881. The next prime is 248021909. The reversal of 248021901 is 109120842.

It is not a de Polignac number, because 248021901 - 2¹⁴ = 248005517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248021909) 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 11 ways as a sum of consecutive naturals, for example, 24360 + ... + 33006.

Almost surely, 2^248021901 is an apocalyptic number.

It is an amenable number.

248021901 is a deficient number, since it is larger than the sum of its proper divisors (110385811).

248021901 is a wasteful number, since it uses less digits than its factorization.

248021901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11840 (or 11837 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 248021901 is about 15748.7110901178. The cubic root of 248021901 is about 628.2946243902.

The spelling of 248021901 in words is "two hundred forty-eight million, twenty-one thousand, nine hundred one".