61852961 has 16 divisors (see below), whose sum is σ = 66873600. Its totient is φ = 57028608.

The previous prime is 61852939. The next prime is 61852991. The reversal of 61852961 is 16925816.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61852961 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61852991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240545 + ... + 240801.

It is an arithmetic number, because the mean of its divisors is an integer number (4179600).

Almost surely, 2^61852961 is an apocalyptic number.

61852961 is the 4541-st octagonal number.

It is an amenable number.

61852961 is a deficient number, since it is larger than the sum of its proper divisors (5020639).

61852961 is a wasteful number, since it uses less digits than its factorization.

61852961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

The product of its digits is 25920, while the sum is 38.

The square root of 61852961 is about 7864.6653457093. The cubic root of 61852961 is about 395.4760291975.

The spelling of 61852961 in words is "sixty-one million, eight hundred fifty-two thousand, nine hundred sixty-one".