155016413 has 2 divisors, whose sum is σ = 155016414. Its totient is φ = 155016412.

The previous prime is 155016409. The next prime is 155016427. The reversal of 155016413 is 314610551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82391929 + 72624484 = 9077^2 + 8522^2 .

It is a cyclic number.

It is not a de Polignac number, because 155016413 - 2² = 155016409 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155016713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77508206 + 77508207.

It is an arithmetic number, because the mean of its divisors is an integer number (77508207).

Almost surely, 2^155016413 is an apocalyptic number.

It is an amenable number.

155016413 is a deficient number, since it is larger than the sum of its proper divisors (1).

155016413 is an equidigital number, since it uses as much as digits as its factorization.

155016413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 155016413 is about 12450.5587424822. The cubic root of 155016413 is about 537.1874951418.

Adding to 155016413 its reverse (314610551), we get a palindrome (469626964).

The spelling of 155016413 in words is "one hundred fifty-five million, sixteen thousand, four hundred thirteen".