61617467 has 2 divisors, whose sum is σ = 61617468. Its totient is φ = 61617466.

The previous prime is 61617427. The next prime is 61617487. The reversal of 61617467 is 76471616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61617467 - 2¹⁸ = 61355323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61617467.

It is not a weakly prime, because it can be changed into another prime (61617427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30808733 + 30808734.

It is an arithmetic number, because the mean of its divisors is an integer number (30808734).

Almost surely, 2^61617467 is an apocalyptic number.

61617467 is a deficient number, since it is larger than the sum of its proper divisors (1).

61617467 is an equidigital number, since it uses as much as digits as its factorization.

61617467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 61617467 is about 7849.6794202056. The cubic root of 61617467 is about 394.9734896485.

The spelling of 61617467 in words is "sixty-one million, six hundred seventeen thousand, four hundred sixty-seven".