1553424101 has 2 divisors, whose sum is σ = 1553424102. Its totient is φ = 1553424100.

The previous prime is 1553424083. The next prime is 1553424133. The reversal of 1553424101 is 1014243551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1446280900 + 107143201 = 38030^2 + 10351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1553424101 - 2²² = 1549229797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1553424151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776712050 + 776712051.

It is an arithmetic number, because the mean of its divisors is an integer number (776712051).

Almost surely, 2^1553424101 is an apocalyptic number.

It is an amenable number.

1553424101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553424101 is an equidigital number, since it uses as much as digits as its factorization.

1553424101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1553424101 is about 39413.5015064635. The cubic root of 1553424101 is about 1158.1460926247.

Adding to 1553424101 its reverse (1014243551), we get a palindrome (2567667652).

The spelling of 1553424101 in words is "one billion, five hundred fifty-three million, four hundred twenty-four thousand, one hundred one".