2521433001 has 4 divisors (see below), whose sum is σ = 3361910672. Its totient is φ = 1680955332.

The previous prime is 2521432997. The next prime is 2521433003. The reversal of 2521433001 is 1003341252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2521433001 - 2² = 2521432997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521433003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420238831 + ... + 420238836.

It is an arithmetic number, because the mean of its divisors is an integer number (840477668).

Almost surely, 2^2521433001 is an apocalyptic number.

It is an amenable number.

2521433001 is a deficient number, since it is larger than the sum of its proper divisors (840477671).

2521433001 is an equidigital number, since it uses as much as digits as its factorization.

2521433001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840477670.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2521433001 is about 50213.8725951305. The cubic root of 2521433001 is about 1361.0763179849.

Adding to 2521433001 its reverse (1003341252), we get a palindrome (3524774253).

The spelling of 2521433001 in words is "two billion, five hundred twenty-one million, four hundred thirty-three thousand, one".