2051412157 has 2 divisors, whose sum is σ = 2051412158. Its totient is φ = 2051412156.

The previous prime is 2051412133. The next prime is 2051412191. The reversal of 2051412157 is 7512141502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1745651961 + 305760196 = 41781^2 + 17486^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051412157 - 2¹⁹ = 2050887869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051442157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025706078 + 1025706079.

It is an arithmetic number, because the mean of its divisors is an integer number (1025706079).

Almost surely, 2^2051412157 is an apocalyptic number.

It is an amenable number.

2051412157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051412157 is an equidigital number, since it uses as much as digits as its factorization.

2051412157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 2051412157 is about 45292.5176712446. The cubic root of 2051412157 is about 1270.6257186949.

Adding to 2051412157 its reverse (7512141502), we get a palindrome (9563553659).

The spelling of 2051412157 in words is "two billion, fifty-one million, four hundred twelve thousand, one hundred fifty-seven".