2074431257 has 2 divisors, whose sum is σ = 2074431258. Its totient is φ = 2074431256.

The previous prime is 2074431169. The next prime is 2074431259. The reversal of 2074431257 is 7521344702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1816379161 + 258052096 = 42619^2 + 16064^2 .

It is a cyclic number.

It is not a de Polignac number, because 2074431257 - 2²⁰ = 2073382681 is a prime.

Together with 2074431259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2074431259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1037215628 + 1037215629.

It is an arithmetic number, because the mean of its divisors is an integer number (1037215629).

Almost surely, 2^2074431257 is an apocalyptic number.

It is an amenable number.

2074431257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2074431257 is an equidigital number, since it uses as much as digits as its factorization.

2074431257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 2074431257 is about 45545.9247024363. The cubic root of 2074431257 is about 1275.3606580893.

Adding to 2074431257 its reverse (7521344702), we get a palindrome (9595775959).

The spelling of 2074431257 in words is "two billion, seventy-four million, four hundred thirty-one thousand, two hundred fifty-seven".