3125549461 has 2 divisors, whose sum is σ = 3125549462. Its totient is φ = 3125549460.

The previous prime is 3125549459. The next prime is 3125549489. The reversal of 3125549461 is 1649455213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2934280561 + 191268900 = 54169^2 + 13830^2 .

It is a cyclic number.

It is not a de Polignac number, because 3125549461 - 2¹ = 3125549459 is a prime.

Together with 3125549459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3125549431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562774730 + 1562774731.

It is an arithmetic number, because the mean of its divisors is an integer number (1562774731).

Almost surely, 2^3125549461 is an apocalyptic number.

It is an amenable number.

3125549461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125549461 is an equidigital number, since it uses as much as digits as its factorization.

3125549461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The square root of 3125549461 is about 55906.6137500743. The cubic root of 3125549461 is about 1462.0945512161.

The spelling of 3125549461 in words is "three billion, one hundred twenty-five million, five hundred forty-nine thousand, four hundred sixty-one".