3497775157 has 2 divisors, whose sum is σ = 3497775158. Its totient is φ = 3497775156.

The previous prime is 3497775139. The next prime is 3497775161. The reversal of 3497775157 is 7515777943.

3497775157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2969051121 + 528724036 = 54489^2 + 22994^2 .

It is a cyclic number.

It is not a de Polignac number, because 3497775157 - 2¹⁵ = 3497742389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3497775098 and 3497775107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3497775257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1748887578 + 1748887579.

It is an arithmetic number, because the mean of its divisors is an integer number (1748887579).

Almost surely, 2^3497775157 is an apocalyptic number.

It is an amenable number.

3497775157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3497775157 is an equidigital number, since it uses as much as digits as its factorization.

3497775157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6482700, while the sum is 55.

The square root of 3497775157 is about 59141.9914865910. The cubic root of 3497775157 is about 1517.9727066170.

The spelling of 3497775157 in words is "three billion, four hundred ninety-seven million, seven hundred seventy-five thousand, one hundred fifty-seven".