2007241921 has 2 divisors, whose sum is σ = 2007241922. Its totient is φ = 2007241920.

The previous prime is 2007241903. The next prime is 2007241963. The reversal of 2007241921 is 1291427002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2001667600 + 5574321 = 44740^2 + 2361^2 .

It is a cyclic number.

It is not a de Polignac number, because 2007241921 - 2⁵ = 2007241889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2007241921.

It is not a weakly prime, because it can be changed into another prime (2007241421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003620960 + 1003620961.

It is an arithmetic number, because the mean of its divisors is an integer number (1003620961).

Almost surely, 2^2007241921 is an apocalyptic number.

It is an amenable number.

2007241921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2007241921 is an equidigital number, since it uses as much as digits as its factorization.

2007241921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2007241921 is about 44802.2535259109. The cubic root of 2007241921 is about 1261.4399262219.

Adding to 2007241921 its reverse (1291427002), we get a palindrome (3298668923).

The spelling of 2007241921 in words is "two billion, seven million, two hundred forty-one thousand, nine hundred twenty-one".