248825641 has 2 divisors, whose sum is σ = 248825642. Its totient is φ = 248825640.

The previous prime is 248825627. The next prime is 248825659. The reversal of 248825641 is 146528842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192515625 + 56310016 = 13875^2 + 7504^2 .

It is a cyclic number.

It is not a de Polignac number, because 248825641 - 2¹³ = 248817449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 248825594 and 248825603.

It is not a weakly prime, because it can be changed into another prime (248825041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124412820 + 124412821.

It is an arithmetic number, because the mean of its divisors is an integer number (124412821).

Almost surely, 2^248825641 is an apocalyptic number.

It is an amenable number.

248825641 is a deficient number, since it is larger than the sum of its proper divisors (1).

248825641 is an equidigital number, since it uses as much as digits as its factorization.

248825641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122880, while the sum is 40.

The square root of 248825641 is about 15774.2080942277. The cubic root of 248825641 is about 628.9725766380.

The spelling of 248825641 in words is "two hundred forty-eight million, eight hundred twenty-five thousand, six hundred forty-one".