248401261 has 8 divisors (see below), whose sum is σ = 252949760. Its totient is φ = 243883872.

The previous prime is 248401259. The next prime is 248401271. The reversal of 248401261 is 162104842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248401261 - 2¹ = 248401259 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 (248401271) 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 7 ways as a sum of consecutive naturals, for example, 8650 + ... + 23908.

It is an arithmetic number, because the mean of its divisors is an integer number (31618720).

Almost surely, 2^248401261 is an apocalyptic number.

It is an amenable number.

248401261 is a deficient number, since it is larger than the sum of its proper divisors (4548499).

248401261 is a wasteful number, since it uses less digits than its factorization.

248401261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15555.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 248401261 is about 15760.7506483670. The cubic root of 248401261 is about 628.6147956182.

The spelling of 248401261 in words is "two hundred forty-eight million, four hundred one thousand, two hundred sixty-one".