625253 has 2 divisors, whose sum is σ = 625254. Its totient is φ = 625252.

The previous prime is 625237. The next prime is 625267. The reversal of 625253 is 352526.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494209 + 131044 = 703^2 + 362^2 .

It is a cyclic number.

It is not a de Polignac number, because 625253 - 2⁴ = 625237 is a prime.

It is a super-3 number, since 3×625253³ = 733311688224207831, which contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625253.

It is not a weakly prime, because it can be changed into another prime (625213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312626 + 312627.

It is an arithmetic number, because the mean of its divisors is an integer number (312627).

2⁶²⁵²⁵³ is an apocalyptic number.

It is an amenable number.

625253 is a deficient number, since it is larger than the sum of its proper divisors (1).

625253 is an equidigital number, since it uses as much as digits as its factorization.

625253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 23.

The square root of 625253 is about 790.7294101018. The cubic root of 625253 is about 85.5103324152.

Adding to 625253 its reverse (352526), we get a palindrome (977779).

It can be divided in two parts, 625 and 253, that added together give a palindrome (878).

The spelling of 625253 in words is "six hundred twenty-five thousand, two hundred fifty-three".