4151001261 has 32 divisors (see below), whose sum is σ = 6148285056. Its totient is φ = 2469888000.

The previous prime is 4151001241. The next prime is 4151001293. The reversal of 4151001261 is 1621001514.

It is not a de Polignac number, because 4151001261 - 2⁷ = 4151001133 is a prime.

It is a super-2 number, since 2×4151001261² = 34461622937647180242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4151001241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1288725 + ... + 1291941.

It is an arithmetic number, because the mean of its divisors is an integer number (192133908).

Almost surely, 2^4151001261 is an apocalyptic number.

It is an amenable number.

4151001261 is a deficient number, since it is larger than the sum of its proper divisors (1997283795).

4151001261 is a wasteful number, since it uses less digits than its factorization.

4151001261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 4151001261 is about 64428.2644574569. The cubic root of 4151001261 is about 1607.1298040179.

Adding to 4151001261 its reverse (1621001514), we get a palindrome (5772002775).

The spelling of 4151001261 in words is "four billion, one hundred fifty-one million, one thousand, two hundred sixty-one".