625727506 has 16 divisors (see below), whose sum is σ = 946647000. Its totient is φ = 310188928.

The previous prime is 625727491. The next prime is 625727507. The reversal of 625727506 is 605727526.

It can be written as a sum of positive squares in 4 ways, for example, as 625250025 + 477481 = 25005^2 + 691^2 .

It is not an unprimeable number, because it can be changed into a prime (625727507) by changing a digit.

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, 132270 + ... + 136918.

Almost surely, 2^625727506 is an apocalyptic number.

625727506 is a deficient number, since it is larger than the sum of its proper divisors (320919494).

625727506 is a wasteful number, since it uses less digits than its factorization.

625727506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 625727506 is about 25014.5458883426. The cubic root of 625727506 is about 855.3195827757.

The spelling of 625727506 in words is "six hundred twenty-five million, seven hundred twenty-seven thousand, five hundred six".