625055203 has 2 divisors, whose sum is σ = 625055204. Its totient is φ = 625055202.

The previous prime is 625055177. The next prime is 625055231. The reversal of 625055203 is 302550526.

It is an a-pointer prime, because the next prime (625055231) can be obtained adding 625055203 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625055203 is a prime.

It is not a weakly prime, because it can be changed into another prime (625055803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312527601 + 312527602.

It is an arithmetic number, because the mean of its divisors is an integer number (312527602).

Almost surely, 2^625055203 is an apocalyptic number.

625055203 is a deficient number, since it is larger than the sum of its proper divisors (1).

625055203 is an equidigital number, since it uses as much as digits as its factorization.

625055203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 625055203 is about 25001.1040356221. The cubic root of 625055203 is about 855.0131448112.

The spelling of 625055203 in words is "six hundred twenty-five million, fifty-five thousand, two hundred three".