1552625013 has 4 divisors (see below), whose sum is σ = 2070166688. Its totient is φ = 1035083340.

The previous prime is 1552624993. The next prime is 1552625017. The reversal of 1552625013 is 3105262551.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1552625013 - 2⁸ = 1552624757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552625017) 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 in 3 ways as a sum of consecutive naturals, for example, 258770833 + ... + 258770838.

It is an arithmetic number, because the mean of its divisors is an integer number (517541672).

Almost surely, 2^1552625013 is an apocalyptic number.

It is an amenable number.

1552625013 is a deficient number, since it is larger than the sum of its proper divisors (517541675).

1552625013 is an equidigital number, since it uses as much as digits as its factorization.

1552625013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517541674.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1552625013 is about 39403.3629656150. The cubic root of 1552625013 is about 1157.9474734632.

Adding to 1552625013 its reverse (3105262551), we get a palindrome (4657887564).

The spelling of 1552625013 in words is "one billion, five hundred fifty-two million, six hundred twenty-five thousand, thirteen".