1553335141 has 2 divisors, whose sum is σ = 1553335142. Its totient is φ = 1553335140.

The previous prime is 1553335103. The next prime is 1553335163. The reversal of 1553335141 is 1415333551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1481865025 + 71470116 = 38495^2 + 8454^2 .

It is a cyclic number.

It is not a de Polignac number, because 1553335141 - 2¹³ = 1553326949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1553335241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776667570 + 776667571.

It is an arithmetic number, because the mean of its divisors is an integer number (776667571).

Almost surely, 2^1553335141 is an apocalyptic number.

It is an amenable number.

1553335141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553335141 is an equidigital number, since it uses as much as digits as its factorization.

1553335141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 31.

The square root of 1553335141 is about 39412.3729430239. The cubic root of 1553335141 is about 1158.1239843365.

Adding to 1553335141 its reverse (1415333551), we get a palindrome (2968668692).

The spelling of 1553335141 in words is "one billion, five hundred fifty-three million, three hundred thirty-five thousand, one hundred forty-one".