1552414243 has 2 divisors, whose sum is σ = 1552414244. Its totient is φ = 1552414242.

The previous prime is 1552414231. The next prime is 1552414261. The reversal of 1552414243 is 3424142551.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1552414243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1552414343) 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, 776207121 + 776207122.

It is an arithmetic number, because the mean of its divisors is an integer number (776207122).

Almost surely, 2^1552414243 is an apocalyptic number.

1552414243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552414243 is an equidigital number, since it uses as much as digits as its factorization.

1552414243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 31.

The square root of 1552414243 is about 39400.6883569310. The cubic root of 1552414243 is about 1157.8950736818.

Adding to 1552414243 its reverse (3424142551), we get a palindrome (4976556794).

The spelling of 1552414243 in words is "one billion, five hundred fifty-two million, four hundred fourteen thousand, two hundred forty-three".