248926731 has 16 divisors (see below), whose sum is σ = 336027648. Its totient is φ = 163900800.

The previous prime is 248926729. The next prime is 248926739. The reversal of 248926731 is 137629842.

248926731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 248926731 - 2¹ = 248926729 is a prime.

It is a super-2 number, since 2×248926731² = 123929034812692722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (248926739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90466 + ... + 93176.

It is an arithmetic number, because the mean of its divisors is an integer number (21001728).

Almost surely, 2^248926731 is an apocalyptic number.

248926731 is a deficient number, since it is larger than the sum of its proper divisors (87100917).

248926731 is a wasteful number, since it uses less digits than its factorization.

248926731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082.

The product of its digits is 145152, while the sum is 42.

The square root of 248926731 is about 15777.4120501431. The cubic root of 248926731 is about 629.0577423373.

The spelling of 248926731 in words is "two hundred forty-eight million, nine hundred twenty-six thousand, seven hundred thirty-one".