1552525123 has 2 divisors, whose sum is σ = 1552525124. Its totient is φ = 1552525122.

The previous prime is 1552525087. The next prime is 1552525127. The reversal of 1552525123 is 3215252551.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1552525123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1552525127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776262561 + 776262562.

It is an arithmetic number, because the mean of its divisors is an integer number (776262562).

Almost surely, 2^1552525123 is an apocalyptic number.

1552525123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552525123 is an equidigital number, since it uses as much as digits as its factorization.

1552525123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15000, while the sum is 31.

The square root of 1552525123 is about 39402.0954138229. The cubic root of 1552525123 is about 1157.9226402822.

Adding to 1552525123 its reverse (3215252551), we get a palindrome (4767777674).

The spelling of 1552525123 in words is "one billion, five hundred fifty-two million, five hundred twenty-five thousand, one hundred twenty-three".