1553119 has 2 divisors, whose sum is σ = 1553120. Its totient is φ = 1553118.

The previous prime is 1553107. The next prime is 1553129. The reversal of 1553119 is 9113551.

It is a strong prime.

It is an emirp because it is prime and its reverse (9113551) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1553119 is a prime.

It is a super-2 number, since 2×1553119² = 4824357256322, which contains 22 as substring.

1553119 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1553093 and 1553102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1553129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776559 + 776560.

It is an arithmetic number, because the mean of its divisors is an integer number (776560).

2^1553119 is an apocalyptic number.

1553119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553119 is an equidigital number, since it uses as much as digits as its factorization.

1553119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 675, while the sum is 25.

The square root of 1553119 is about 1246.2419508266. The cubic root of 1553119 is about 115.8070265582.

The spelling of 1553119 in words is "one million, five hundred fifty-three thousand, one hundred nineteen".