1434435257 has 2 divisors, whose sum is σ = 1434435258. Its totient is φ = 1434435256.

The previous prime is 1434435179. The next prime is 1434435269. The reversal of 1434435257 is 7525344341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1402951936 + 31483321 = 37456^2 + 5611^2 .

It is an emirp because it is prime and its reverse (7525344341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1434435257 - 2¹² = 1434431161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1434435257.

It is not a weakly prime, because it can be changed into another prime (1434435287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717217628 + 717217629.

It is an arithmetic number, because the mean of its divisors is an integer number (717217629).

Almost surely, 2^1434435257 is an apocalyptic number.

It is an amenable number.

1434435257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434435257 is an equidigital number, since it uses as much as digits as its factorization.

1434435257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 38.

The square root of 1434435257 is about 37873.9390214432. The cubic root of 1434435257 is about 1127.7867391984.

Adding to 1434435257 its reverse (7525344341), we get a palindrome (8959779598).

The spelling of 1434435257 in words is "one billion, four hundred thirty-four million, four hundred thirty-five thousand, two hundred fifty-seven".