252400102 has 8 divisors (see below), whose sum is σ = 383392800. Its totient is φ = 124602504.

The previous prime is 252400081. The next prime is 252400103. The reversal of 252400102 is 201004252.

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

It is a super-2 number, since 2×252400102² = 127411622979220808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252400103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798577 + ... + 798892.

It is an arithmetic number, because the mean of its divisors is an integer number (47924100).

Almost surely, 2^252400102 is an apocalyptic number.

252400102 is a deficient number, since it is larger than the sum of its proper divisors (130992698).

252400102 is a wasteful number, since it uses less digits than its factorization.

252400102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597550.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 252400102 is about 15887.1048967394. The cubic root of 252400102 is about 631.9700671477.

Adding to 252400102 its reverse (201004252), we get a palindrome (453404354).

The spelling of 252400102 in words is "two hundred fifty-two million, four hundred thousand, one hundred two".