625530455 has 16 divisors (see below), whose sum is σ = 819707904. Its totient is φ = 454469280.

The previous prime is 625530443. The next prime is 625530469. The reversal of 625530455 is 554035526.

625530455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 625530455 - 2⁶ = 625530391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54554 + ... + 65016.

It is an arithmetic number, because the mean of its divisors is an integer number (51231744).

Almost surely, 2^625530455 is an apocalyptic number.

625530455 is a deficient number, since it is larger than the sum of its proper divisors (194177449).

625530455 is a wasteful number, since it uses less digits than its factorization.

625530455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11566.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 625530455 is about 25010.6068498947. The cubic root of 625530455 is about 855.2297890169.

The spelling of 625530455 in words is "six hundred twenty-five million, five hundred thirty thousand, four hundred fifty-five".