340995497 has 2 divisors, whose sum is σ = 340995498. Its totient is φ = 340995496.

The previous prime is 340995437. The next prime is 340995509. The reversal of 340995497 is 794599043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308494096 + 32501401 = 17564^2 + 5701^2 .

It is a cyclic number.

It is not a de Polignac number, because 340995497 - 2⁶ = 340995433 is a prime.

It is not a weakly prime, because it can be changed into another prime (340995407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170497748 + 170497749.

It is an arithmetic number, because the mean of its divisors is an integer number (170497749).

Almost surely, 2^340995497 is an apocalyptic number.

It is an amenable number.

340995497 is a deficient number, since it is larger than the sum of its proper divisors (1).

340995497 is an equidigital number, since it uses as much as digits as its factorization.

340995497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 340995497 is about 18466.0633866561. The cubic root of 340995497 is about 698.6337275371.

The spelling of 340995497 in words is "three hundred forty million, nine hundred ninety-five thousand, four hundred ninety-seven".