61607001 has 8 divisors (see below), whose sum is σ = 82200160. Its totient is φ = 41042592.

The previous prime is 61606973. The next prime is 61607009. The reversal of 61607001 is 10070616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61607001 - 2¹¹ = 61604953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61607009) 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, 1555 + ... + 11208.

It is an arithmetic number, because the mean of its divisors is an integer number (10275020).

Almost surely, 2^61607001 is an apocalyptic number.

It is an amenable number.

61607001 is a deficient number, since it is larger than the sum of its proper divisors (20593159).

61607001 is a wasteful number, since it uses less digits than its factorization.

61607001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14375.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 61607001 is about 7849.0127404662. The cubic root of 61607001 is about 394.9511257160.

Adding to 61607001 its reverse (10070616), we get a palindrome (71677617).

The spelling of 61607001 in words is "sixty-one million, six hundred seven thousand, one".