248992261 has 8 divisors (see below), whose sum is σ = 286473600. Its totient is φ = 211988688.

The previous prime is 248992259. The next prime is 248992267. The reversal of 248992261 is 162299842.

It is a happy number.

248992261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 248992261 - 2¹ = 248992259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248992267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118321 + ... + 120406.

It is an arithmetic number, because the mean of its divisors is an integer number (35809200).

Almost surely, 2^248992261 is an apocalyptic number.

It is an amenable number.

248992261 is a deficient number, since it is larger than the sum of its proper divisors (37481339).

248992261 is a wasteful number, since it uses less digits than its factorization.

248992261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238883.

The product of its digits is 124416, while the sum is 43.

The square root of 248992261 is about 15779.4886165554. The cubic root of 248992261 is about 629.1129373432.

The spelling of 248992261 in words is "two hundred forty-eight million, nine hundred ninety-two thousand, two hundred sixty-one".