155006263 has 2 divisors, whose sum is σ = 155006264. Its totient is φ = 155006262.

The previous prime is 155006261. The next prime is 155006273. The reversal of 155006263 is 362600551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155006263 - 2¹ = 155006261 is a prime.

Together with 155006261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155006261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77503131 + 77503132.

It is an arithmetic number, because the mean of its divisors is an integer number (77503132).

Almost surely, 2^155006263 is an apocalyptic number.

155006263 is a deficient number, since it is larger than the sum of its proper divisors (1).

155006263 is an equidigital number, since it uses as much as digits as its factorization.

155006263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 155006263 is about 12450.1511235808. The cubic root of 155006263 is about 537.1757704219.

The spelling of 155006263 in words is "one hundred fifty-five million, six thousand, two hundred sixty-three".