61357427 has 2 divisors, whose sum is σ = 61357428. Its totient is φ = 61357426.

The previous prime is 61357421. The next prime is 61357453. The reversal of 61357427 is 72475316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61357427 - 2⁶ = 61357363 is a prime.

It is equal to p_3637817 and since 61357427 and 3637817 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (61357421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30678713 + 30678714.

It is an arithmetic number, because the mean of its divisors is an integer number (30678714).

Almost surely, 2^61357427 is an apocalyptic number.

61357427 is a deficient number, since it is larger than the sum of its proper divisors (1).

61357427 is an equidigital number, since it uses as much as digits as its factorization.

61357427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 61357427 is about 7833.0981737752. The cubic root of 61357427 is about 394.4170796125.

The spelling of 61357427 in words is "sixty-one million, three hundred fifty-seven thousand, four hundred twenty-seven".