248906542 has 16 divisors (see below), whose sum is σ = 380217600. Its totient is φ = 122186232.

The previous prime is 248906519. The next prime is 248906549. The reversal of 248906542 is 245609842.

248906542 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 248906495 and 248906504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248906549) 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, 22459 + ... + 31657.

It is an arithmetic number, because the mean of its divisors is an integer number (23763600).

Almost surely, 2^248906542 is an apocalyptic number.

248906542 is a deficient number, since it is larger than the sum of its proper divisors (131311058).

248906542 is a wasteful number, since it uses less digits than its factorization.

248906542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 248906542 is about 15776.7722300856. The cubic root of 248906542 is about 629.0407354720.

The spelling of 248906542 in words is "two hundred forty-eight million, nine hundred six thousand, five hundred forty-two".