61475347 has 2 divisors, whose sum is σ = 61475348. Its totient is φ = 61475346.

The previous prime is 61475333. The next prime is 61475353. The reversal of 61475347 is 74357416.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61475347 is a prime.

It is not a weakly prime, because it can be changed into another prime (61475047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30737673 + 30737674.

It is an arithmetic number, because the mean of its divisors is an integer number (30737674).

Almost surely, 2^61475347 is an apocalyptic number.

61475347 is a deficient number, since it is larger than the sum of its proper divisors (1).

61475347 is an equidigital number, since it uses as much as digits as its factorization.

61475347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 37.

The square root of 61475347 is about 7840.6215952563. The cubic root of 61475347 is about 394.6695885651.

The spelling of 61475347 in words is "sixty-one million, four hundred seventy-five thousand, three hundred forty-seven".