61601245 has 8 divisors (see below), whose sum is σ = 77135616. Its totient is φ = 47138256.

The previous prime is 61601231. The next prime is 61601279. The reversal of 61601245 is 54210616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61601245 - 2⁹ = 61600733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 267717 + ... + 267946.

It is an arithmetic number, because the mean of its divisors is an integer number (9641952).

Almost surely, 2^61601245 is an apocalyptic number.

It is an amenable number.

61601245 is a deficient number, since it is larger than the sum of its proper divisors (15534371).

61601245 is a wasteful number, since it uses less digits than its factorization.

61601245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535691.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 61601245 is about 7848.6460615829. The cubic root of 61601245 is about 394.9388251146.

The spelling of 61601245 in words is "sixty-one million, six hundred one thousand, two hundred forty-five".