1601313635 has 16 divisors (see below), whose sum is σ = 2030434560. Its totient is φ = 1208993760.

The previous prime is 1601313629. The next prime is 1601313653. The reversal of 1601313635 is 5363131061.

It is not a de Polignac number, because 1601313635 - 2¹⁴ = 1601297251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1601313598 and 1601313607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7061 + ... + 57030.

It is an arithmetic number, because the mean of its divisors is an integer number (126902160).

Almost surely, 2^1601313635 is an apocalyptic number.

1601313635 is a deficient number, since it is larger than the sum of its proper divisors (429120925).

1601313635 is a wasteful number, since it uses less digits than its factorization.

1601313635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64378.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 1601313635 is about 40016.4170684983. The cubic root of 1601313635 is about 1169.9270987280.

Adding to 1601313635 its reverse (5363131061), we get a palindrome (6964444696).

The spelling of 1601313635 in words is "one billion, six hundred one million, three hundred thirteen thousand, six hundred thirty-five".