60649901 has 4 divisors (see below), whose sum is σ = 65315292. Its totient is φ = 55984512.

The previous prime is 60649879. The next prime is 60649903. The reversal of 60649901 is 10994606.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40309801 + 20340100 = 6349^2 + 4510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60649901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60649903) 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, 2332676 + ... + 2332701.

It is an arithmetic number, because the mean of its divisors is an integer number (16328823).

Almost surely, 2^60649901 is an apocalyptic number.

It is an amenable number.

60649901 is a deficient number, since it is larger than the sum of its proper divisors (4665391).

60649901 is a wasteful number, since it uses less digits than its factorization.

60649901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665390.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 60649901 is about 7787.8046328860. The cubic root of 60649901 is about 392.8951780128.

The spelling of 60649901 in words is "sixty million, six hundred forty-nine thousand, nine hundred one".