3501630401 has 4 divisors (see below), whose sum is σ = 3513581652. Its totient is φ = 3489679152.

The previous prime is 3501630373. The next prime is 3501630409. The reversal of 3501630401 is 1040361053.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1040361053 = 17 ⋅61197709.

It can be written as a sum of positive squares in 2 ways, for example, as 2221708225 + 1279922176 = 47135^2 + 35776^2 .

It is a cyclic number.

It is not a de Polignac number, because 3501630401 - 2³⁰ = 2427888577 is a prime.

It is a super-2 number, since 2×3501630401² = 24522830930414841602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3501630409) 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, 5975186 + ... + 5975771.

It is an arithmetic number, because the mean of its divisors is an integer number (878395413).

Almost surely, 2^3501630401 is an apocalyptic number.

It is an amenable number.

3501630401 is a deficient number, since it is larger than the sum of its proper divisors (11951251).

3501630401 is a wasteful number, since it uses less digits than its factorization.

3501630401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951250.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3501630401 is about 59174.5756300795. The cubic root of 3501630401 is about 1518.5302044685.

Adding to 3501630401 its reverse (1040361053), we get a palindrome (4541991454).

The spelling of 3501630401 in words is "three billion, five hundred one million, six hundred thirty thousand, four hundred one".