248470951 has 4 divisors (see below), whose sum is σ = 248528304. Its totient is φ = 248413600.

The previous prime is 248470913. The next prime is 248470969. The reversal of 248470951 is 159074842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 159074842 = 2 ⋅79537421.

It is a cyclic number.

It is not a de Polignac number, because 248470951 - 2¹¹ = 248468903 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 (248470991) 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, 21595 + ... + 31036.

It is an arithmetic number, because the mean of its divisors is an integer number (62132076).

Almost surely, 2^248470951 is an apocalyptic number.

248470951 is a deficient number, since it is larger than the sum of its proper divisors (57353).

248470951 is an equidigital number, since it uses as much as digits as its factorization.

248470951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57352.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 248470951 is about 15762.9613651750. The cubic root of 248470951 is about 628.6735769474.

The spelling of 248470951 in words is "two hundred forty-eight million, four hundred seventy thousand, nine hundred fifty-one".