248742451 has 16 divisors (see below), whose sum is σ = 257402880. Its totient is φ = 240292800.

The previous prime is 248742443. The next prime is 248742523. The reversal of 248742451 is 154247842.

248742451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 248742451 - 2³ = 248742443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248742451.

It is not an unprimeable number, because it can be changed into a prime (248742751) 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, 1115326 + ... + 1115548.

It is an arithmetic number, because the mean of its divisors is an integer number (16087680).

Almost surely, 2^248742451 is an apocalyptic number.

248742451 is a deficient number, since it is larger than the sum of its proper divisors (8660429).

248742451 is a wasteful number, since it uses less digits than its factorization.

248742451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

The product of its digits is 71680, while the sum is 37.

The square root of 248742451 is about 15771.5709743830. The cubic root of 248742451 is about 628.9024739204.

The spelling of 248742451 in words is "two hundred forty-eight million, seven hundred forty-two thousand, four hundred fifty-one".