248413861 has 2 divisors, whose sum is σ = 248413862. Its totient is φ = 248413860.

The previous prime is 248413831. The next prime is 248413871. The reversal of 248413861 is 168314842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198640836 + 49773025 = 14094^2 + 7055^2 .

It is a cyclic number.

It is not a de Polignac number, because 248413861 - 2¹⁹ = 247889573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248413861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248413831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124206930 + 124206931.

It is an arithmetic number, because the mean of its divisors is an integer number (124206931).

Almost surely, 2^248413861 is an apocalyptic number.

It is an amenable number.

248413861 is a deficient number, since it is larger than the sum of its proper divisors (1).

248413861 is an equidigital number, since it uses as much as digits as its factorization.

248413861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 37.

The square root of 248413861 is about 15761.1503704520. The cubic root of 248413861 is about 628.6254241371.

The spelling of 248413861 in words is "two hundred forty-eight million, four hundred thirteen thousand, eight hundred sixty-one".