248574987 has 10 divisors (see below), whose sum is σ = 371328188. Its totient is φ = 165716604.

The previous prime is 248574983. The next prime is 248575009. The reversal of 248574987 is 789475842.

It is a happy number.

248574987 is a `hidden beast` number, since 2 + 485 + 74 + 98 + 7 = 666.

248574987 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 248574987 - 2² = 248574983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248574983) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1534333 + ... + 1534494.

Almost surely, 2^248574987 is an apocalyptic number.

248574987 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

248574987 is a deficient number, since it is larger than the sum of its proper divisors (122753201).

248574987 is an equidigital number, since it uses as much as digits as its factorization.

248574987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068839 (or 3068830 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 248574987 is about 15766.2610342465. The cubic root of 248574987 is about 628.7613076026.

The spelling of 248574987 in words is "two hundred forty-eight million, five hundred seventy-four thousand, nine hundred eighty-seven".