61497343003 has 2 divisors, whose sum is σ = 61497343004. Its totient is φ = 61497343002.

The previous prime is 61497342979. The next prime is 61497343009. The reversal of 61497343003 is 30034379416.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61497343003 is a prime.

It is not a weakly prime, because it can be changed into another prime (61497343009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30748671501 + 30748671502.

It is an arithmetic number, because the mean of its divisors is an integer number (30748671502).

Almost surely, 2^61497343003 is an apocalyptic number.

61497343003 is a deficient number, since it is larger than the sum of its proper divisors (1).

61497343003 is an equidigital number, since it uses as much as digits as its factorization.

61497343003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 40.

The spelling of 61497343003 in words is "sixty-one billion, four hundred ninety-seven million, three hundred forty-three thousand, three".