61466597 has 4 divisors (see below), whose sum is σ = 61492236. Its totient is φ = 61440960.

The previous prime is 61466593. The next prime is 61466623. The reversal of 61466597 is 79566416.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17297281 + 44169316 = 4159^2 + 6646^2 .

It is a cyclic number.

It is not a de Polignac number, because 61466597 - 2² = 61466593 is a prime.

It is a super-4 number, since 4×61466597⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61466593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8804 + ... + 14157.

It is an arithmetic number, because the mean of its divisors is an integer number (15373059).

Almost surely, 2^61466597 is an apocalyptic number.

It is an amenable number.

61466597 is a deficient number, since it is larger than the sum of its proper divisors (25639).

61466597 is a wasteful number, since it uses less digits than its factorization.

61466597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25638.

The product of its digits is 272160, while the sum is 44.

The square root of 61466597 is about 7840.0635839258. The cubic root of 61466597 is about 394.6508627781.

The spelling of 61466597 in words is "sixty-one million, four hundred sixty-six thousand, five hundred ninety-seven".