155413 has 2 divisors, whose sum is σ = 155414. Its totient is φ = 155412.

The previous prime is 155399. The next prime is 155423. The reversal of 155413 is 314551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101124 + 54289 = 318^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 155413 - 2⁵ = 155381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77706 + 77707.

It is an arithmetic number, because the mean of its divisors is an integer number (77707).

2¹⁵⁵⁴¹³ is an apocalyptic number.

It is an amenable number.

155413 is a deficient number, since it is larger than the sum of its proper divisors (1).

155413 is an equidigital number, since it uses as much as digits as its factorization.

155413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 300, while the sum is 19.

The square root of 155413 is about 394.2245552981. The cubic root of 155413 is about 53.7645210451.

Adding to 155413 its reverse (314551), we get a palindrome (469964).

It can be divided in two parts, 1554 and 13, that multiplied together give a palindrome (20202).

The spelling of 155413 in words is "one hundred fifty-five thousand, four hundred thirteen".