6542461 has 2 divisors, whose sum is σ = 6542462. Its totient is φ = 6542460.

The previous prime is 6542453. The next prime is 6542489. The reversal of 6542461 is 1642456.

It is an a-pointer prime, because the next prime (6542489) can be obtained adding 6542461 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6175225 + 367236 = 2485^2 + 606^2 .

It is a cyclic number.

It is not a de Polignac number, because 6542461 - 2³ = 6542453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6542401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271230 + 3271231.

It is an arithmetic number, because the mean of its divisors is an integer number (3271231).

Almost surely, 2^6542461 is an apocalyptic number.

It is an amenable number.

6542461 is a deficient number, since it is larger than the sum of its proper divisors (1).

6542461 is an equidigital number, since it uses as much as digits as its factorization.

6542461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 28.

The square root of 6542461 is about 2557.8234888280. The cubic root of 6542461 is about 187.0310509220.

The spelling of 6542461 in words is "six million, five hundred forty-two thousand, four hundred sixty-one".