60651561 has 8 divisors (see below), whose sum is σ = 81353664. Its totient is φ = 40191920.

The previous prime is 60651541. The next prime is 60651571. The reversal of 60651561 is 16515606.

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 60651561 - 2¹¹ = 60649513 is a prime.

It is a super-2 number, since 2×60651561² = 7357223703473442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60651541) 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, 60030 + ... + 61031.

It is an arithmetic number, because the mean of its divisors is an integer number (10169208).

Almost surely, 2^60651561 is an apocalyptic number.

It is an amenable number.

60651561 is a deficient number, since it is larger than the sum of its proper divisors (20702103).

60651561 is a wasteful number, since it uses less digits than its factorization.

60651561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121231.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 60651561 is about 7787.9112090470. The cubic root of 60651561 is about 392.8987625202.

It can be divided in two parts, 6065 and 1561, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 60651561 in words is "sixty million, six hundred fifty-one thousand, five hundred sixty-one".