248632477 has 2 divisors, whose sum is σ = 248632478. Its totient is φ = 248632476.

The previous prime is 248632469. The next prime is 248632481. The reversal of 248632477 is 774236842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230705721 + 17926756 = 15189^2 + 4234^2 .

It is a cyclic number.

It is not a de Polignac number, because 248632477 - 2³ = 248632469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248632427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124316238 + 124316239.

It is an arithmetic number, because the mean of its divisors is an integer number (124316239).

Almost surely, 2^248632477 is an apocalyptic number.

It is an amenable number.

248632477 is a deficient number, since it is larger than the sum of its proper divisors (1).

248632477 is an equidigital number, since it uses as much as digits as its factorization.

248632477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 43.

The square root of 248632477 is about 15768.0841258537. The cubic root of 248632477 is about 628.8097768145.

The spelling of 248632477 in words is "two hundred forty-eight million, six hundred thirty-two thousand, four hundred seventy-seven".