611009513 has 8 divisors (see below), whose sum is σ = 639659328. Its totient is φ = 582533424.

The previous prime is 611009507. The next prime is 611009549. The reversal of 611009513 is 315900116.

611009513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 611009513 - 2⁶ = 611009449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611009213) 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, 36206 + ... + 50327.

It is an arithmetic number, because the mean of its divisors is an integer number (79957416).

Almost surely, 2^611009513 is an apocalyptic number.

It is an amenable number.

611009513 is a deficient number, since it is larger than the sum of its proper divisors (28649815).

611009513 is a wasteful number, since it uses less digits than its factorization.

611009513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86863.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 611009513 is about 24718.6066152605. The cubic root of 611009513 is about 848.5601982749.

Adding to 611009513 its reverse (315900116), we get a palindrome (926909629).

The spelling of 611009513 in words is "six hundred eleven million, nine thousand, five hundred thirteen".