252154530 has 48 divisors (see below), whose sum is σ = 669561984. Its totient is φ = 65809440.

The previous prime is 252154517. The next prime is 252154547. The reversal of 252154530 is 35451252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 252154494 and 252154503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25576 + ... + 34035.

It is an arithmetic number, because the mean of its divisors is an integer number (13949208).

Almost surely, 2^252154530 is an apocalyptic number.

252154530 is an abundant number, since it is smaller than the sum of its proper divisors (417407454).

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

252154530 is a wasteful number, since it uses less digits than its factorization.

252154530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59671 (or 59668 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 252154530 is about 15879.3743579525. The cubic root of 252154530 is about 631.7650427820.

The spelling of 252154530 in words is "two hundred fifty-two million, one hundred fifty-four thousand, five hundred thirty".