625045503 has 8 divisors (see below), whose sum is σ = 834769408. Its totient is φ = 416009304.

The previous prime is 625045501. The next prime is 625045523. The reversal of 625045503 is 305540526.

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

It is not a de Polignac number, because 625045503 - 2¹ = 625045501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625045501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169801 + ... + 173442.

It is an arithmetic number, because the mean of its divisors is an integer number (104346176).

Almost surely, 2^625045503 is an apocalyptic number.

625045503 is a deficient number, since it is larger than the sum of its proper divisors (209723905).

625045503 is a wasteful number, since it uses less digits than its factorization.

625045503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343853.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 625045503 is about 25000.9100434364. The cubic root of 625045503 is about 855.0087219110.

The spelling of 625045503 in words is "six hundred twenty-five million, forty-five thousand, five hundred three".