3457481 has 2 divisors, whose sum is σ = 3457482. Its totient is φ = 3457480.

The previous prime is 3457471. The next prime is 3457513. The reversal of 3457481 is 1847543.

It is an a-pointer prime, because the next prime (3457513) can be obtained adding 3457481 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3455881 + 1600 = 1859^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 3457481 - 2⁶ = 3457417 is a prime.

It is a super-2 number, since 2×3457481² = 23908349730722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3457471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1728740 + 1728741.

It is an arithmetic number, because the mean of its divisors is an integer number (1728741).

Almost surely, 2^3457481 is an apocalyptic number.

It is an amenable number.

3457481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3457481 is an equidigital number, since it uses as much as digits as its factorization.

3457481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 3457481 is about 1859.4302890939. The cubic root of 3457481 is about 151.2121194666.

The spelling of 3457481 in words is "three million, four hundred fifty-seven thousand, four hundred eighty-one".