2151042007 has 2 divisors, whose sum is σ = 2151042008. Its totient is φ = 2151042006.

The previous prime is 2151041989. The next prime is 2151042067. The reversal of 2151042007 is 7002401512.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151042007 - 2¹⁵ = 2151009239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151042067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075521003 + 1075521004.

It is an arithmetic number, because the mean of its divisors is an integer number (1075521004).

Almost surely, 2^2151042007 is an apocalyptic number.

2151042007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151042007 is an equidigital number, since it uses as much as digits as its factorization.

2151042007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 2151042007 is about 46379.3273668345. The cubic root of 2151042007 is about 1290.8713554876.

Adding to 2151042007 its reverse (7002401512), we get a palindrome (9153443519).

The spelling of 2151042007 in words is "two billion, one hundred fifty-one million, forty-two thousand, seven".