1552354231 has 2 divisors, whose sum is σ = 1552354232. Its totient is φ = 1552354230.

The previous prime is 1552354159. The next prime is 1552354247. The reversal of 1552354231 is 1324532551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1552354231 - 2⁷ = 1552354103 is a prime.

It is a super-2 number, since 2×1552354231² = 4819607317007202722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1552354193 and 1552354202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1552354831) 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, 776177115 + 776177116.

It is an arithmetic number, because the mean of its divisors is an integer number (776177116).

Almost surely, 2^1552354231 is an apocalyptic number.

1552354231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552354231 is an equidigital number, since it uses as much as digits as its factorization.

1552354231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 31.

The square root of 1552354231 is about 39399.9267892721. The cubic root of 1552354231 is about 1157.8801531594.

Adding to 1552354231 its reverse (1324532551), we get a palindrome (2876886782).

The spelling of 1552354231 in words is "one billion, five hundred fifty-two million, three hundred fifty-four thousand, two hundred thirty-one".