610494511 has 4 divisors (see below), whose sum is σ = 665994024. Its totient is φ = 554995000.

The previous prime is 610494509. The next prime is 610494523. The reversal of 610494511 is 115494016.

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 610494511 - 2¹ = 610494509 is a prime.

It is a super-2 number, since 2×610494511² = 745407095922258242, 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 (610494611) 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, 27749740 + ... + 27749761.

It is an arithmetic number, because the mean of its divisors is an integer number (166498506).

Almost surely, 2^610494511 is an apocalyptic number.

610494511 is a deficient number, since it is larger than the sum of its proper divisors (55499513).

610494511 is a wasteful number, since it uses less digits than its factorization.

610494511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55499512.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 610494511 is about 24708.1871249187. The cubic root of 610494511 is about 848.3217224255.

The spelling of 610494511 in words is "six hundred ten million, four hundred ninety-four thousand, five hundred eleven".