248621069 has 4 divisors (see below), whose sum is σ = 249716544. Its totient is φ = 247525596.

The previous prime is 248621059. The next prime is 248621081. The reversal of 248621069 is 960126842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 248621069 - 2¹⁶ = 248555533 is a prime.

It is a super-2 number, since 2×248621069² = 123624871901405522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248621059) 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 3 ways as a sum of consecutive naturals, for example, 547397 + ... + 547850.

It is an arithmetic number, because the mean of its divisors is an integer number (62429136).

Almost surely, 2^248621069 is an apocalyptic number.

It is an amenable number.

248621069 is a deficient number, since it is larger than the sum of its proper divisors (1095475).

248621069 is a wasteful number, since it uses less digits than its factorization.

248621069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095474.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 248621069 is about 15767.7223783272. The cubic root of 248621069 is about 628.8001594444.

The spelling of 248621069 in words is "two hundred forty-eight million, six hundred twenty-one thousand, sixty-nine".