611461253 has 8 divisors (see below), whose sum is σ = 697232088. Its totient is φ = 531224064.

The previous prime is 611461243. The next prime is 611461261. The reversal of 611461253 is 352164116.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23980609 + 587480644 = 4897^2 + 24238^2 .

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 611461253 - 2¹² = 611457157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611461243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383176 + ... + 1383617.

It is an arithmetic number, because the mean of its divisors is an integer number (87154011).

Almost surely, 2^611461253 is an apocalyptic number.

It is an amenable number.

611461253 is a deficient number, since it is larger than the sum of its proper divisors (85770835).

611461253 is a wasteful number, since it uses less digits than its factorization.

611461253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766823.

The product of its digits is 4320, while the sum is 29.

The square root of 611461253 is about 24727.7425779225. The cubic root of 611461253 is about 848.7692698443.

The spelling of 611461253 in words is "six hundred eleven million, four hundred sixty-one thousand, two hundred fifty-three".