248630657 has 8 divisors (see below), whose sum is σ = 273769632. Its totient is φ = 223914400.

The previous prime is 248630651. The next prime is 248630663. The reversal of 248630657 is 756036842.

It is a happy number.

248630657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (248630651) and next prime (248630663).

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

It is a cyclic number.

It is not a de Polignac number, because 248630657 - 2¹² = 248626561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248630651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104444 + ... + 106797.

It is an arithmetic number, because the mean of its divisors is an integer number (34221204).

Almost surely, 2^248630657 is an apocalyptic number.

It is an amenable number.

248630657 is a deficient number, since it is larger than the sum of its proper divisors (25138975).

248630657 is a wasteful number, since it uses less digits than its factorization.

248630657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211359.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 248630657 is about 15768.0264142346. The cubic root of 248630657 is about 628.8082425063.

The spelling of 248630657 in words is "two hundred forty-eight million, six hundred thirty thousand, six hundred fifty-seven".