252400046 has 8 divisors (see below), whose sum is σ = 380225664. Its totient is φ = 125658160.

The previous prime is 252400039. The next prime is 252400061. The reversal of 252400046 is 640004252.

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

It is a junction number, because it is equal to n+sod(n) for n = 252399994 and 252400030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270350 + ... + 271281.

It is an arithmetic number, because the mean of its divisors is an integer number (47528208).

Almost surely, 2^252400046 is an apocalyptic number.

252400046 is a deficient number, since it is larger than the sum of its proper divisors (127825618).

252400046 is a wasteful number, since it uses less digits than its factorization.

252400046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541866.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 252400046 is about 15887.1031343036. The cubic root of 252400046 is about 631.9700204093.

Adding to 252400046 its reverse (640004252), we get a palindrome (892404298).

The spelling of 252400046 in words is "two hundred fifty-two million, four hundred thousand, forty-six".