155314253 has 2 divisors, whose sum is σ = 155314254. Its totient is φ = 155314252.

The previous prime is 155314231. The next prime is 155314259. The reversal of 155314253 is 352413551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137992009 + 17322244 = 11747^2 + 4162^2 .

It is a cyclic number.

It is not a de Polignac number, because 155314253 - 2¹⁰ = 155313229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155314259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77657126 + 77657127.

It is an arithmetic number, because the mean of its divisors is an integer number (77657127).

Almost surely, 2^155314253 is an apocalyptic number.

It is an amenable number.

155314253 is a deficient number, since it is larger than the sum of its proper divisors (1).

155314253 is an equidigital number, since it uses as much as digits as its factorization.

155314253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 155314253 is about 12462.5139117274. The cubic root of 155314253 is about 537.5313158607.

The spelling of 155314253 in words is "one hundred fifty-five million, three hundred fourteen thousand, two hundred fifty-three".