340414453 has 2 divisors, whose sum is σ = 340414454. Its totient is φ = 340414452.

The previous prime is 340414447. The next prime is 340414463. The reversal of 340414453 is 354414043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309689604 + 30724849 = 17598^2 + 5543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340414453 is a prime.

It is a super-2 number, since 2×340414453² = 231763999622578418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340414433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170207226 + 170207227.

It is an arithmetic number, because the mean of its divisors is an integer number (170207227).

Almost surely, 2^340414453 is an apocalyptic number.

It is an amenable number.

340414453 is a deficient number, since it is larger than the sum of its proper divisors (1).

340414453 is an equidigital number, since it uses as much as digits as its factorization.

340414453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 340414453 is about 18450.3239266957. The cubic root of 340414453 is about 698.2366863982.

Adding to 340414453 its reverse (354414043), we get a palindrome (694828496).

The spelling of 340414453 in words is "three hundred forty million, four hundred fourteen thousand, four hundred fifty-three".