3745897 has 2 divisors, whose sum is σ = 3745898. Its totient is φ = 3745896.

The previous prime is 3745891. The next prime is 3745913. The reversal of 3745897 is 7985473.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1907161 + 1838736 = 1381^2 + 1356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3745897 is a prime.

It is a super-3 number, since 3×3745897³ (a number of 21 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (3745891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1872948 + 1872949.

It is an arithmetic number, because the mean of its divisors is an integer number (1872949).

Almost surely, 2^3745897 is an apocalyptic number.

It is an amenable number.

3745897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3745897 is an equidigital number, since it uses as much as digits as its factorization.

3745897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 3745897 is about 1935.4319931219. The cubic root of 3745897 is about 155.3049425088.

The spelling of 3745897 in words is "three million, seven hundred forty-five thousand, eight hundred ninety-seven".