1552133431 has 2 divisors, whose sum is σ = 1552133432. Its totient is φ = 1552133430.

The previous prime is 1552133419. The next prime is 1552133437. The reversal of 1552133431 is 1343312551.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1552133431 - 2⁵ = 1552133399 is a prime.

It is a super-4 number, since 4×1552133431⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1552133431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1552133437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776066715 + 776066716.

It is an arithmetic number, because the mean of its divisors is an integer number (776066716).

Almost surely, 2^1552133431 is an apocalyptic number.

1552133431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552133431 is an equidigital number, since it uses as much as digits as its factorization.

1552133431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 28.

The square root of 1552133431 is about 39397.1246539643. The cubic root of 1552133431 is about 1157.8252533058.

Adding to 1552133431 its reverse (1343312551), we get a palindrome (2895445982).

The spelling of 1552133431 in words is "one billion, five hundred fifty-two million, one hundred thirty-three thousand, four hundred thirty-one".