60651861 has 4 divisors (see below), whose sum is σ = 80869152. Its totient is φ = 40434572.

The previous prime is 60651839. The next prime is 60651863. The reversal of 60651861 is 16815606.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60651861 - 2¹⁸ = 60389717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60651863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10108641 + ... + 10108646.

It is an arithmetic number, because the mean of its divisors is an integer number (20217288).

Almost surely, 2^60651861 is an apocalyptic number.

It is an amenable number.

60651861 is a deficient number, since it is larger than the sum of its proper divisors (20217291).

60651861 is a wasteful number, since it uses less digits than its factorization.

60651861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20217290.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 60651861 is about 7787.9304696434. The cubic root of 60651861 is about 392.8994103157.

The spelling of 60651861 in words is "sixty million, six hundred fifty-one thousand, eight hundred sixty-one".