252381550 has 12 divisors (see below), whose sum is σ = 469429776. Its totient is φ = 100952600.

The previous prime is 252381523. The next prime is 252381557. The reversal of 252381550 is 55183252.

252381550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252381557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2523766 + ... + 2523865.

It is an arithmetic number, because the mean of its divisors is an integer number (39119148).

Almost surely, 2^252381550 is an apocalyptic number.

252381550 is a deficient number, since it is larger than the sum of its proper divisors (217048226).

252381550 is a wasteful number, since it uses less digits than its factorization.

252381550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047643 (or 5047638 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 252381550 is about 15886.5210162578. The cubic root of 252381550 is about 631.9545830072.

The spelling of 252381550 in words is "two hundred fifty-two million, three hundred eighty-one thousand, five hundred fifty".