248087651 has 4 divisors (see below), whose sum is σ = 283528752. Its totient is φ = 212646552.

The previous prime is 248087641. The next prime is 248087659. The reversal of 248087651 is 156780842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156780842 = 2 ⋅78390421.

It is a cyclic number.

It is not a de Polignac number, because 248087651 - 2²² = 243893347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248087599 and 248087608.

It is not an unprimeable number, because it can be changed into a prime (248087659) 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, 17720540 + ... + 17720553.

It is an arithmetic number, because the mean of its divisors is an integer number (70882188).

Almost surely, 2^248087651 is an apocalyptic number.

248087651 is a deficient number, since it is larger than the sum of its proper divisors (35441101).

248087651 is an equidigital number, since it uses as much as digits as its factorization.

248087651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35441100.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 248087651 is about 15750.7984242069. The cubic root of 248087651 is about 628.3501392749.

The spelling of 248087651 in words is "two hundred forty-eight million, eighty-seven thousand, six hundred fifty-one".