1234500257 has 2 divisors, whose sum is σ = 1234500258. Its totient is φ = 1234500256.

The previous prime is 1234500199. The next prime is 1234500269. The reversal of 1234500257 is 7520054321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 736362496 + 498137761 = 27136^2 + 22319^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234500257 - 2⁶ = 1234500193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234500557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617250128 + 617250129.

It is an arithmetic number, because the mean of its divisors is an integer number (617250129).

Almost surely, 2^1234500257 is an apocalyptic number.

It is an amenable number.

1234500257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234500257 is an equidigital number, since it uses as much as digits as its factorization.

1234500257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 1234500257 is about 35135.4558387962. The cubic root of 1234500257 is about 1072.7463896002.

Adding to 1234500257 its reverse (7520054321), we get a palindrome (8754554578).

The spelling of 1234500257 in words is "one billion, two hundred thirty-four million, five hundred thousand, two hundred fifty-seven".