155225753 has 2 divisors, whose sum is σ = 155225754. Its totient is φ = 155225752.

The previous prime is 155225729. The next prime is 155225761. The reversal of 155225753 is 357522551.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150503824 + 4721929 = 12268^2 + 2173^2 .

It is an emirp because it is prime and its reverse (357522551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155225753 - 2¹⁶ = 155160217 is a prime.

It is not a weakly prime, because it can be changed into another prime (155225723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77612876 + 77612877.

It is an arithmetic number, because the mean of its divisors is an integer number (77612877).

Almost surely, 2^155225753 is an apocalyptic number.

It is an amenable number.

155225753 is a deficient number, since it is larger than the sum of its proper divisors (1).

155225753 is an equidigital number, since it uses as much as digits as its factorization.

155225753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52500, while the sum is 35.

The square root of 155225753 is about 12458.9627577901. The cubic root of 155225753 is about 537.4291991113.

The spelling of 155225753 in words is "one hundred fifty-five million, two hundred twenty-five thousand, seven hundred fifty-three".