315535141 has 2 divisors, whose sum is σ = 315535142. Its totient is φ = 315535140.

The previous prime is 315535133. The next prime is 315535153. The reversal of 315535141 is 141535513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315204516 + 330625 = 17754^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 315535141 - 2³ = 315535133 is a prime.

It is equal to p_17047360 and since 315535141 and 17047360 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315535541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157767570 + 157767571.

It is an arithmetic number, because the mean of its divisors is an integer number (157767571).

Almost surely, 2^315535141 is an apocalyptic number.

It is an amenable number.

315535141 is a deficient number, since it is larger than the sum of its proper divisors (1).

315535141 is an equidigital number, since it uses as much as digits as its factorization.

315535141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4500, while the sum is 28.

The square root of 315535141 is about 17763.3088415419. The cubic root of 315535141 is about 680.7943003433.

The spelling of 315535141 in words is "three hundred fifteen million, five hundred thirty-five thousand, one hundred forty-one".