2521062201 has 24 divisors (see below), whose sum is σ = 3924100704. Its totient is φ = 1435492800.

The previous prime is 2521062151. The next prime is 2521062221. The reversal of 2521062201 is 1022601252.

It is a happy number.

It is not a de Polignac number, because 2521062201 - 2⁹ = 2521061689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2521062221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11301 + ... + 71901.

It is an arithmetic number, because the mean of its divisors is an integer number (163504196).

Almost surely, 2^2521062201 is an apocalyptic number.

2521062201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2521062201 is a deficient number, since it is larger than the sum of its proper divisors (1403038503).

2521062201 is a wasteful number, since it uses less digits than its factorization.

2521062201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60901 (or 60894 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2521062201 is about 50210.1802526141. The cubic root of 2521062201 is about 1361.0095951015.

Adding to 2521062201 its reverse (1022601252), we get a palindrome (3543663453).

The spelling of 2521062201 in words is "two billion, five hundred twenty-one million, sixty-two thousand, two hundred one".