1601313607 has 4 divisors (see below), whose sum is σ = 1601515440. Its totient is φ = 1601111776.

The previous prime is 1601313599. The next prime is 1601313611. The reversal of 1601313607 is 7063131061.

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

It is a cyclic number.

It is not a de Polignac number, because 1601313607 - 2³ = 1601313599 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 (1601313617) 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, 88507 + ... + 105052.

It is an arithmetic number, because the mean of its divisors is an integer number (400378860).

Almost surely, 2^1601313607 is an apocalyptic number.

1601313607 is a deficient number, since it is larger than the sum of its proper divisors (201833).

1601313607 is an equidigital number, since it uses as much as digits as its factorization.

1601313607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201832.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1601313607 is about 40016.4167186419. The cubic root of 1601313607 is about 1169.9270919090.

Adding to 1601313607 its reverse (7063131061), we get a palindrome (8664444668).

The spelling of 1601313607 in words is "one billion, six hundred one million, three hundred thirteen thousand, six hundred seven".