652251619 has 4 divisors (see below), whose sum is σ = 652386496. Its totient is φ = 652116744.

The previous prime is 652251533. The next prime is 652251629. The reversal of 652251619 is 916152256.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 652251619 - 2⁷ = 652251491 is a prime.

It is a super-2 number, since 2×652251619² = 850864348976242322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652251629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59904 + ... + 69949.

It is an arithmetic number, because the mean of its divisors is an integer number (163096624).

Almost surely, 2^652251619 is an apocalyptic number.

652251619 is a deficient number, since it is larger than the sum of its proper divisors (134877).

652251619 is a wasteful number, since it uses less digits than its factorization.

652251619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134876.

The product of its digits is 32400, while the sum is 37.

The square root of 652251619 is about 25539.2172746151. The cubic root of 652251619 is about 867.2381784818.

The spelling of 652251619 in words is "six hundred fifty-two million, two hundred fifty-one thousand, six hundred nineteen".