155004263 has 2 divisors, whose sum is σ = 155004264. Its totient is φ = 155004262.

The previous prime is 155004259. The next prime is 155004271. The reversal of 155004263 is 362400551.

It is a weak prime.

It is an emirp because it is prime and its reverse (362400551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155004263 - 2² = 155004259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155004203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77502131 + 77502132.

It is an arithmetic number, because the mean of its divisors is an integer number (77502132).

Almost surely, 2^155004263 is an apocalyptic number.

155004263 is a deficient number, since it is larger than the sum of its proper divisors (1).

155004263 is an equidigital number, since it uses as much as digits as its factorization.

155004263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 155004263 is about 12450.0708030115. The cubic root of 155004263 is about 537.1734600718.

The spelling of 155004263 in words is "one hundred fifty-five million, four thousand, two hundred sixty-three".