652334781 has 8 divisors (see below), whose sum is σ = 994033984. Its totient is φ = 372762720.

The previous prime is 652334773. The next prime is 652334791. The reversal of 652334781 is 187433256.

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

It is not a de Polignac number, because 652334781 - 2³ = 652334773 is a prime.

It is a super-2 number, since 2×652334781² = 851081333004635922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652334701) 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, 15531760 + ... + 15531801.

It is an arithmetic number, because the mean of its divisors is an integer number (124254248).

Almost surely, 2^652334781 is an apocalyptic number.

It is an amenable number.

652334781 is a deficient number, since it is larger than the sum of its proper divisors (341699203).

652334781 is a wasteful number, since it uses less digits than its factorization.

652334781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31063571.

The product of its digits is 120960, while the sum is 39.

The square root of 652334781 is about 25540.8453462292. The cubic root of 652334781 is about 867.2750345020.

The spelling of 652334781 in words is "six hundred fifty-two million, three hundred thirty-four thousand, seven hundred eighty-one".