655540153 has 2 divisors, whose sum is σ = 655540154. Its totient is φ = 655540152.

The previous prime is 655540139. The next prime is 655540159. The reversal of 655540153 is 351045556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 565821369 + 89718784 = 23787^2 + 9472^2 .

It is a cyclic number.

It is not a de Polignac number, because 655540153 - 2⁵ = 655540121 is a prime.

It is not a weakly prime, because it can be changed into another prime (655540159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327770076 + 327770077.

It is an arithmetic number, because the mean of its divisors is an integer number (327770077).

Almost surely, 2^655540153 is an apocalyptic number.

It is an amenable number.

655540153 is a deficient number, since it is larger than the sum of its proper divisors (1).

655540153 is an equidigital number, since it uses as much as digits as its factorization.

655540153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 655540153 is about 25603.5183715051. The cubic root of 655540153 is about 868.6932215674.

The spelling of 655540153 in words is "six hundred fifty-five million, five hundred forty thousand, one hundred fifty-three".