252512654 has 4 divisors (see below), whose sum is σ = 378768984. Its totient is φ = 126256326.

The previous prime is 252512633. The next prime is 252512671. The reversal of 252512654 is 456215252.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 252512654.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 63128162 + ... + 63128165.

It is an arithmetic number, because the mean of its divisors is an integer number (94692246).

Almost surely, 2^252512654 is an apocalyptic number.

252512654 is a deficient number, since it is larger than the sum of its proper divisors (126256330).

252512654 is a wasteful number, since it uses less digits than its factorization.

252512654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126256329.

The product of its digits is 24000, while the sum is 32.

The square root of 252512654 is about 15890.6467458062. The cubic root of 252512654 is about 632.0639906766.

The spelling of 252512654 in words is "two hundred fifty-two million, five hundred twelve thousand, six hundred fifty-four".