155265053 has 2 divisors, whose sum is σ = 155265054. Its totient is φ = 155265052.

The previous prime is 155265023. The next prime is 155265067. The reversal of 155265053 is 350562551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120714169 + 34550884 = 10987^2 + 5878^2 .

It is an emirp because it is prime and its reverse (350562551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155265053 - 2¹⁸ = 155002909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155265023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77632526 + 77632527.

It is an arithmetic number, because the mean of its divisors is an integer number (77632527).

Almost surely, 2^155265053 is an apocalyptic number.

It is an amenable number.

155265053 is a deficient number, since it is larger than the sum of its proper divisors (1).

155265053 is an equidigital number, since it uses as much as digits as its factorization.

155265053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 155265053 is about 12460.5398358177. The cubic root of 155265053 is about 537.4745506609.

The spelling of 155265053 in words is "one hundred fifty-five million, two hundred sixty-five thousand, fifty-three".