1552505009 has 8 divisors (see below), whose sum is σ = 1694884800. Its totient is φ = 1410332400.

The previous prime is 1552504951. The next prime is 1552505021. The reversal of 1552505009 is 9005052551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1552505009 - 2²⁰ = 1551456433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552505609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35909 + ... + 66290.

It is an arithmetic number, because the mean of its divisors is an integer number (211860600).

Almost surely, 2^1552505009 is an apocalyptic number.

It is an amenable number.

1552505009 is a deficient number, since it is larger than the sum of its proper divisors (142379791).

1552505009 is a wasteful number, since it uses less digits than its factorization.

1552505009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103591.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 1552505009 is about 39401.8401727635. The cubic root of 1552505009 is about 1157.9176397069.

The spelling of 1552505009 in words is "one billion, five hundred fifty-two million, five hundred five thousand, nine".