2057435407 has 2 divisors, whose sum is σ = 2057435408. Its totient is φ = 2057435406.

The previous prime is 2057435333. The next prime is 2057435411. The reversal of 2057435407 is 7045347502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2057435407 - 2¹⁹ = 2056911119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2057435417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028717703 + 1028717704.

It is an arithmetic number, because the mean of its divisors is an integer number (1028717704).

Almost surely, 2^2057435407 is an apocalyptic number.

2057435407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057435407 is an equidigital number, since it uses as much as digits as its factorization.

2057435407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 2057435407 is about 45358.9617054888. The cubic root of 2057435407 is about 1271.8680853454.

The spelling of 2057435407 in words is "two billion, fifty-seven million, four hundred thirty-five thousand, four hundred seven".