655145413 has 18 divisors (see below), whose sum is σ = 732232242. Its totient is φ = 582685920.

The previous prime is 655145399. The next prime is 655145423. The reversal of 655145413 is 314541556.

655145413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 283349889 + 371795524 = 16833^2 + 19282^2 .

It is a de Polignac number, because none of the positive numbers 2^k-655145413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655145423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2860783 + ... + 2861011.

It is an arithmetic number, because the mean of its divisors is an integer number (40679569).

Almost surely, 2^655145413 is an apocalyptic number.

It is an amenable number.

655145413 is a deficient number, since it is larger than the sum of its proper divisors (77086829).

655145413 is an equidigital number, since it uses as much as digits as its factorization.

655145413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 273 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 655145413 is about 25595.8085045189. The cubic root of 655145413 is about 868.5188224798.

Adding to 655145413 its reverse (314541556), we get a palindrome (969686969).

The spelling of 655145413 in words is "six hundred fifty-five million, one hundred forty-five thousand, four hundred thirteen".