2051542351 has 8 divisors (see below), whose sum is σ = 2075238144. Its totient is φ = 2027930520.

The previous prime is 2051542319. The next prime is 2051542369. The reversal of 2051542351 is 1532451502.

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

It is a cyclic number.

It is not a de Polignac number, because 2051542351 - 2⁵ = 2051542319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051542751) 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, 28836 + ... + 70246.

It is an arithmetic number, because the mean of its divisors is an integer number (259404768).

Almost surely, 2^2051542351 is an apocalyptic number.

2051542351 is a deficient number, since it is larger than the sum of its proper divisors (23695793).

2051542351 is a wasteful number, since it uses less digits than its factorization.

2051542351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41981.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2051542351 is about 45293.9549057046. The cubic root of 2051542351 is about 1270.6525984461.

Adding to 2051542351 its reverse (1532451502), we get a palindrome (3583993853).

The spelling of 2051542351 in words is "two billion, fifty-one million, five hundred forty-two thousand, three hundred fifty-one".