623025655 has 16 divisors (see below), whose sum is σ = 872616960. Its totient is φ = 418126752.

The previous prime is 623025619. The next prime is 623025659. The reversal of 623025655 is 556520326.

It is a cyclic number.

It is not a de Polignac number, because 623025655 - 2⁷ = 623025527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 623025655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623025659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187725 + ... + 191014.

It is an arithmetic number, because the mean of its divisors is an integer number (54538560).

Almost surely, 2^623025655 is an apocalyptic number.

623025655 is a deficient number, since it is larger than the sum of its proper divisors (249591305).

623025655 is a wasteful number, since it uses less digits than its factorization.

623025655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378798.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 623025655 is about 24960.4818663422. The cubic root of 623025655 is about 854.0867350255.

The spelling of 623025655 in words is "six hundred twenty-three million, twenty-five thousand, six hundred fifty-five".