57135461 has 2 divisors, whose sum is σ = 57135462. Its totient is φ = 57135460.

The previous prime is 57135383. The next prime is 57135517. The reversal of 57135461 is 16453175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42003361 + 15132100 = 6481^2 + 3890^2 .

It is a cyclic number.

It is not a de Polignac number, because 57135461 - 2¹⁴ = 57119077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57165461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28567730 + 28567731.

It is an arithmetic number, because the mean of its divisors is an integer number (28567731).

Almost surely, 2^57135461 is an apocalyptic number.

It is an amenable number.

57135461 is a deficient number, since it is larger than the sum of its proper divisors (1).

57135461 is an equidigital number, since it uses as much as digits as its factorization.

57135461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 32.

The square root of 57135461 is about 7558.8002354871. The cubic root of 57135461 is about 385.1547384966.

It can be divided in two parts, 57 and 135461, that multiplied together give a palindrome (7721277).

The spelling of 57135461 in words is "fifty-seven million, one hundred thirty-five thousand, four hundred sixty-one".