61008651 has 48 divisors (see below), whose sum is σ = 100718592. Its totient is φ = 35251200.

The previous prime is 61008643. The next prime is 61008653. The reversal of 61008651 is 15680016.

61008651 is a `hidden beast` number, since 6 + 1 + 0 + 0 + 8 + 651 = 666.

It is not a de Polignac number, because 61008651 - 2³ = 61008643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61008653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 316011 + ... + 316203.

It is an arithmetic number, because the mean of its divisors is an integer number (2098304).

Almost surely, 2^61008651 is an apocalyptic number.

61008651 is a deficient number, since it is larger than the sum of its proper divisors (39709941).

61008651 is a wasteful number, since it uses less digits than its factorization.

61008651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 61008651 is about 7810.8034797964. The cubic root of 61008651 is about 393.6683265219.

Adding to 61008651 its reverse (15680016), we get a palindrome (76688667).

The spelling of 61008651 in words is "sixty-one million, eight thousand, six hundred fifty-one".