248307401 has 4 divisors (see below), whose sum is σ = 249373332. Its totient is φ = 247241472.

The previous prime is 248307391. The next prime is 248307461. The reversal of 248307401 is 104703842.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95043001 + 153264400 = 9749^2 + 12380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248307401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (248307461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532616 + ... + 533081.

It is an arithmetic number, because the mean of its divisors is an integer number (62343333).

Almost surely, 2^248307401 is an apocalyptic number.

It is an amenable number.

248307401 is a deficient number, since it is larger than the sum of its proper divisors (1065931).

248307401 is a wasteful number, since it uses less digits than its factorization.

248307401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065930.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 248307401 is about 15757.7727169800. The cubic root of 248307401 is about 628.5356102745.

The spelling of 248307401 in words is "two hundred forty-eight million, three hundred seven thousand, four hundred one".