64610101 has 4 divisors (see below), whose sum is σ = 65984832. Its totient is φ = 63235372.

The previous prime is 64610093. The next prime is 64610141. The reversal of 64610101 is 10101646.

It is a happy number.

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 64610101 - 2³ = 64610093 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 (64610141) 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, 687295 + ... + 687388.

It is an arithmetic number, because the mean of its divisors is an integer number (16496208).

Almost surely, 2^64610101 is an apocalyptic number.

It is an amenable number.

64610101 is a deficient number, since it is larger than the sum of its proper divisors (1374731).

64610101 is a wasteful number, since it uses less digits than its factorization.

64610101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374730.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 64610101 is about 8038.0408682713. The cubic root of 64610101 is about 401.2670261244.

Adding to 64610101 its reverse (10101646), we get a palindrome (74711747).

The spelling of 64610101 in words is "sixty-four million, six hundred ten thousand, one hundred one".