248430477 has 4 divisors (see below), whose sum is σ = 331240640. Its totient is φ = 165620316.

The previous prime is 248430463. The next prime is 248430509. The reversal of 248430477 is 774034842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 248430477 - 2¹⁴ = 248414093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248430277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41405077 + ... + 41405082.

It is an arithmetic number, because the mean of its divisors is an integer number (82810160).

Almost surely, 2^248430477 is an apocalyptic number.

It is an amenable number.

248430477 is a deficient number, since it is larger than the sum of its proper divisors (82810163).

248430477 is an equidigital number, since it uses as much as digits as its factorization.

248430477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82810162.

The product of its (nonzero) digits is 150528, while the sum is 39.

The square root of 248430477 is about 15761.6774805222. The cubic root of 248430477 is about 628.6394397361.

The spelling of 248430477 in words is "two hundred forty-eight million, four hundred thirty thousand, four hundred seventy-seven".