631250485 has 8 divisors (see below), whose sum is σ = 759648600. Its totient is φ = 503568384.

The previous prime is 631250437. The next prime is 631250533. The reversal of 631250485 is 584052136.

It is an interprime number because it is at equal distance from previous prime (631250437) and next prime (631250533).

It can be written as a sum of positive squares in 4 ways, for example, as 30902481 + 600348004 = 5559^2 + 24502^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 631250485 - 2²⁹ = 94379573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 631250485.

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 in 7 ways as a sum of consecutive naturals, for example, 177060 + ... + 180589.

It is an arithmetic number, because the mean of its divisors is an integer number (94956075).

Almost surely, 2^631250485 is an apocalyptic number.

It is an amenable number.

631250485 is a deficient number, since it is larger than the sum of its proper divisors (128398115).

631250485 is a wasteful number, since it uses less digits than its factorization.

631250485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358007.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 631250485 is about 25124.6987046611. The cubic root of 631250485 is about 857.8287055055.

The spelling of 631250485 in words is "six hundred thirty-one million, two hundred fifty thousand, four hundred eighty-five".