2152434457 has 2 divisors, whose sum is σ = 2152434458. Its totient is φ = 2152434456.

The previous prime is 2152434391. The next prime is 2152434497. The reversal of 2152434457 is 7544342512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2147488281 + 4946176 = 46341^2 + 2224^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152434457 - 2⁷ = 2152434329 is a prime.

It is not a weakly prime, because it can be changed into another prime (2152434497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076217228 + 1076217229.

It is an arithmetic number, because the mean of its divisors is an integer number (1076217229).

Almost surely, 2^2152434457 is an apocalyptic number.

It is an amenable number.

2152434457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152434457 is an equidigital number, since it uses as much as digits as its factorization.

2152434457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 37.

The square root of 2152434457 is about 46394.3364754794. The cubic root of 2152434457 is about 1291.1498385197.

Adding to 2152434457 its reverse (7544342512), we get a palindrome (9696776969).

The spelling of 2152434457 in words is "two billion, one hundred fifty-two million, four hundred thirty-four thousand, four hundred fifty-seven".