611790485 has 4 divisors (see below), whose sum is σ = 734148588. Its totient is φ = 489432384.

The previous prime is 611790433. The next prime is 611790503. The reversal of 611790485 is 584097116.

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

It can be written as a sum of positive squares in 2 ways, for example, as 137334961 + 474455524 = 11719^2 + 21782^2 .

It is a cyclic number.

It is not a de Polignac number, because 611790485 - 2¹⁰ = 611789461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61179044 + ... + 61179053.

It is an arithmetic number, because the mean of its divisors is an integer number (183537147).

Almost surely, 2^611790485 is an apocalyptic number.

It is an amenable number.

611790485 is a deficient number, since it is larger than the sum of its proper divisors (122358103).

611790485 is a wasteful number, since it uses less digits than its factorization.

611790485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122358102.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 611790485 is about 24734.3988202665. The cubic root of 611790485 is about 848.9215781408.

The spelling of 611790485 in words is "six hundred eleven million, seven hundred ninety thousand, four hundred eighty-five".