61540327 has 2 divisors, whose sum is σ = 61540328. Its totient is φ = 61540326.

The previous prime is 61540321. The next prime is 61540333. The reversal of 61540327 is 72304516.

It is a balanced prime because it is at equal distance from previous prime (61540321) and next prime (61540333).

It is a cyclic number.

It is not a de Polignac number, because 61540327 - 2²³ = 53151719 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61540295 and 61540304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61540321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30770163 + 30770164.

It is an arithmetic number, because the mean of its divisors is an integer number (30770164).

Almost surely, 2^61540327 is an apocalyptic number.

61540327 is a deficient number, since it is larger than the sum of its proper divisors (1).

61540327 is an equidigital number, since it uses as much as digits as its factorization.

61540327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 61540327 is about 7844.7643049361. The cubic root of 61540327 is about 394.8085960455.

The spelling of 61540327 in words is "sixty-one million, five hundred forty thousand, three hundred twenty-seven".