248650631 has 6 divisors (see below), whose sum is σ = 259932120. Its totient is φ = 237839228.

The previous prime is 248650621. The next prime is 248650637. The reversal of 248650631 is 136056842.

It is not a de Polignac number, because 248650631 - 2¹⁸ = 248388487 is a prime.

It is a super-2 number, since 2×248650631² = 123654272593396322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248650591 and 248650600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248650637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234491 + ... + 235548.

It is an arithmetic number, because the mean of its divisors is an integer number (43322020).

Almost surely, 2^248650631 is an apocalyptic number.

248650631 is a deficient number, since it is larger than the sum of its proper divisors (11281489).

248650631 is an equidigital number, since it uses as much as digits as its factorization.

248650631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470085 (or 470062 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 248650631 is about 15768.6597718386. The cubic root of 248650631 is about 628.8250807081.

The spelling of 248650631 in words is "two hundred forty-eight million, six hundred fifty thousand, six hundred thirty-one".