2011525401 has 8 divisors (see below), whose sum is σ = 2712169440. Its totient is φ = 1325949152.

The previous prime is 2011525343. The next prime is 2011525457. The reversal of 2011525401 is 1045251102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011525401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011521401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3766635 + ... + 3767168.

It is an arithmetic number, because the mean of its divisors is an integer number (339021180).

Almost surely, 2^2011525401 is an apocalyptic number.

It is an amenable number.

2011525401 is a deficient number, since it is larger than the sum of its proper divisors (700644039).

2011525401 is an equidigital number, since it uses as much as digits as its factorization.

2011525401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7533895.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2011525401 is about 44850.0323411255. The cubic root of 2011525401 is about 1262.3365983471.

Adding to 2011525401 its reverse (1045251102), we get a palindrome (3056776503).

The spelling of 2011525401 in words is "two billion, eleven million, five hundred twenty-five thousand, four hundred one".