252779548 has 24 divisors (see below), whose sum is σ = 505965152. Its totient is φ = 108247104.

The previous prime is 252779521. The next prime is 252779561. The reversal of 252779548 is 845977252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41890 + ... + 47542.

Almost surely, 2^252779548 is an apocalyptic number.

252779548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

252779548 is an abundant number, since it is smaller than the sum of its proper divisors (253185604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252779548 is a wasteful number, since it uses less digits than its factorization.

252779548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7261 (or 7259 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The square root of 252779548 is about 15899.0423610984. The cubic root of 252779548 is about 632.2865995703.

The spelling of 252779548 in words is "two hundred fifty-two million, seven hundred seventy-nine thousand, five hundred forty-eight".