312525830 has 8 divisors (see below), whose sum is σ = 562546512. Its totient is φ = 125010328.

The previous prime is 312525827. The next prime is 312525839. The reversal of 312525830 is 38525213.

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 = 312525793 and 312525802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312525839) 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, 15626282 + ... + 15626301.

It is an arithmetic number, because the mean of its divisors is an integer number (70318314).

Almost surely, 2^312525830 is an apocalyptic number.

312525830 is a deficient number, since it is larger than the sum of its proper divisors (250020682).

312525830 is a wasteful number, since it uses less digits than its factorization.

312525830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31252590.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 312525830 is about 17678.4000972939. The cubic root of 312525830 is about 678.6231005422.

The spelling of 312525830 in words is "three hundred twelve million, five hundred twenty-five thousand, eight hundred thirty".