655403525 has 12 divisors (see below), whose sum is σ = 928800672. Its totient is φ = 449419440.

The previous prime is 655403471. The next prime is 655403531. The reversal of 655403525 is 525304556.

It is not a de Polignac number, because 655403525 - 2¹² = 655399429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1872407 + ... + 1872756.

It is an arithmetic number, because the mean of its divisors is an integer number (77400056).

Almost surely, 2^655403525 is an apocalyptic number.

It is an amenable number.

655403525 is a deficient number, since it is larger than the sum of its proper divisors (273397147).

655403525 is a wasteful number, since it uses less digits than its factorization.

655403525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745180 (or 3745175 counting only the distinct ones).

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

The square root of 655403525 is about 25600.8500835421. The cubic root of 655403525 is about 868.6328662185.

The spelling of 655403525 in words is "six hundred fifty-five million, four hundred three thousand, five hundred twenty-five".