625453 has 4 divisors (see below), whose sum is σ = 637308. Its totient is φ = 613600.

The previous prime is 625451. The next prime is 625477. The reversal of 625453 is 354526.

625453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 393129 + 232324 = 627^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 625453 - 2¹ = 625451 is a prime.

It is a d-powerful number, because it can be written as 6³ + 2¹⁹ + 4² + 5⁵ + 5⁷ + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5848 + ... + 5953.

It is an arithmetic number, because the mean of its divisors is an integer number (159327).

2⁶²⁵⁴⁵³ is an apocalyptic number.

It is an amenable number.

625453 is a deficient number, since it is larger than the sum of its proper divisors (11855).

625453 is a wasteful number, since it uses less digits than its factorization.

625453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11854.

The product of its digits is 3600, while the sum is 25.

The square root of 625453 is about 790.8558655027. The cubic root of 625453 is about 85.5194488547.

Adding to 625453 its reverse (354526), we get a palindrome (979979).

The spelling of 625453 in words is "six hundred twenty-five thousand, four hundred fifty-three".