248430551 has 2 divisors, whose sum is σ = 248430552. Its totient is φ = 248430550.

The previous prime is 248430517. The next prime is 248430563. The reversal of 248430551 is 155034842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248430551 - 2¹⁸ = 248168407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248430151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124215275 + 124215276.

It is an arithmetic number, because the mean of its divisors is an integer number (124215276).

Almost surely, 2^248430551 is an apocalyptic number.

248430551 is a deficient number, since it is larger than the sum of its proper divisors (1).

248430551 is an equidigital number, since it uses as much as digits as its factorization.

248430551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 248430551 is about 15761.6798279879. The cubic root of 248430551 is about 628.6395021537.

The spelling of 248430551 in words is "two hundred forty-eight million, four hundred thirty thousand, five hundred fifty-one".