652141409 has 4 divisors (see below), whose sum is σ = 652290240. Its totient is φ = 651992580.

The previous prime is 652141393. The next prime is 652141411. The reversal of 652141409 is 904141256.

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 a cyclic number.

It is not a de Polignac number, because 652141409 - 2⁴ = 652141393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652141429) 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, 67637 + ... + 76674.

It is an arithmetic number, because the mean of its divisors is an integer number (163072560).

Almost surely, 2^652141409 is an apocalyptic number.

It is an amenable number.

652141409 is a deficient number, since it is larger than the sum of its proper divisors (148831).

652141409 is a wasteful number, since it uses less digits than its factorization.

652141409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148830.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 652141409 is about 25537.0595214093. The cubic root of 652141409 is about 867.1893304091.

The spelling of 652141409 in words is "six hundred fifty-two million, one hundred forty-one thousand, four hundred nine".