252940678 has 8 divisors (see below), whose sum is σ = 385074072. Its totient is φ = 124582656.

The previous prime is 252940657. The next prime is 252940679. The reversal of 252940678 is 876049252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252940679) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 943675 + ... + 943942.

It is an arithmetic number, because the mean of its divisors is an integer number (48134259).

Almost surely, 2^252940678 is an apocalyptic number.

252940678 is a deficient number, since it is larger than the sum of its proper divisors (132133394).

252940678 is a wasteful number, since it uses less digits than its factorization.

252940678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887686.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 252940678 is about 15904.1088401708. The cubic root of 252940678 is about 632.4209177947.

The spelling of 252940678 in words is "two hundred fifty-two million, nine hundred forty thousand, six hundred seventy-eight".