3825901501 has 4 divisors (see below), whose sum is σ = 3833245404. Its totient is φ = 3818557600.

The previous prime is 3825901477. The next prime is 3825901529. The reversal of 3825901501 is 1051095283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1051095283 = 7 ⋅150156469.

It can be written as a sum of positive squares in 2 ways, for example, as 353628025 + 3472273476 = 18805^2 + 58926^2 .

It is a cyclic number.

It is not a de Polignac number, because 3825901501 - 2¹⁵ = 3825868733 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 (3825901801) 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, 3671170 + ... + 3672211.

It is an arithmetic number, because the mean of its divisors is an integer number (958311351).

Almost surely, 2^3825901501 is an apocalyptic number.

It is an amenable number.

3825901501 is a deficient number, since it is larger than the sum of its proper divisors (7343903).

3825901501 is an equidigital number, since it uses as much as digits as its factorization.

3825901501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343902.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 3825901501 is about 61853.8721584995. The cubic root of 3825901501 is about 1564.0282563527.

Adding to 3825901501 its reverse (1051095283), we get a palindrome (4876996784).

The spelling of 3825901501 in words is "three billion, eight hundred twenty-five million, nine hundred one thousand, five hundred one".