61852609 has 8 divisors (see below), whose sum is σ = 76126400. Its totient is φ = 48938256.

The previous prime is 61852601. The next prime is 61852631. The reversal of 61852609 is 90625816.

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 61852609 - 2³ = 61852601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61852601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339759 + ... + 339940.

It is an arithmetic number, because the mean of its divisors is an integer number (9515800).

Almost surely, 2^61852609 is an apocalyptic number.

It is an amenable number.

61852609 is a deficient number, since it is larger than the sum of its proper divisors (14273791).

61852609 is a wasteful number, since it uses less digits than its factorization.

61852609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679719.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 61852609 is about 7864.6429671028. The cubic root of 61852609 is about 395.4752789892.

The spelling of 61852609 in words is "sixty-one million, eight hundred fifty-two thousand, six hundred nine".