625143601 has 8 divisors (see below), whose sum is σ = 679807080. Its totient is φ = 572467968.

The previous prime is 625143599. The next prime is 625143619. The reversal of 625143601 is 106341526.

625143601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 495730225 + 129413376 = 22265^2 + 11376^2 .

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 625143601 - 2¹ = 625143599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625143601.

It is not an unprimeable number, because it can be changed into a prime (625143661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496306 + ... + 497563.

It is an arithmetic number, because the mean of its divisors is an integer number (84975885).

Almost surely, 2^625143601 is an apocalyptic number.

It is an amenable number.

625143601 is a deficient number, since it is larger than the sum of its proper divisors (54663479).

625143601 is a wasteful number, since it uses less digits than its factorization.

625143601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993923.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 625143601 is about 25002.8718550490. The cubic root of 625143601 is about 855.0534494589.

The spelling of 625143601 in words is "six hundred twenty-five million, one hundred forty-three thousand, six hundred one".