248549972 has 18 divisors (see below), whose sum is σ = 478100154. Its totient is φ = 112977040.

The previous prime is 248549957. The next prime is 248549993. The reversal of 248549972 is 279945842.

It can be written as a sum of positive squares in only one way, i.e., 215326276 + 33223696 = 14674^2 + 5764^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 248549972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256283 + ... + 257250.

Almost surely, 2^248549972 is an apocalyptic number.

248549972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

248549972 is a deficient number, since it is larger than the sum of its proper divisors (229550182).

248549972 is a wasteful number, since it uses less digits than its factorization.

248549972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513559 (or 513546 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 248549972 is about 15765.4677063511. The cubic root of 248549972 is about 628.7402153868.

The spelling of 248549972 in words is "two hundred forty-eight million, five hundred forty-nine thousand, nine hundred seventy-two".