7064557 has 2 divisors, whose sum is σ = 7064558. Its totient is φ = 7064556.

The previous prime is 7064549. The next prime is 7064567. The reversal of 7064557 is 7554607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6022116 + 1042441 = 2454^2 + 1021^2 .

It is a cyclic number.

It is not a de Polignac number, because 7064557 - 2³ = 7064549 is a prime.

It is a super-3 number, since 3×7064557³ (a number of 22 digits) contains 333 as substring.

7064557 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7064527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3532278 + 3532279.

It is an arithmetic number, because the mean of its divisors is an integer number (3532279).

Almost surely, 2^7064557 is an apocalyptic number.

It is an amenable number.

7064557 is a deficient number, since it is larger than the sum of its proper divisors (1).

7064557 is an equidigital number, since it uses as much as digits as its factorization.

7064557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 7064557 is about 2657.9234375730. The cubic root of 7064557 is about 191.8793820684.

The spelling of 7064557 in words is "seven million, sixty-four thousand, five hundred fifty-seven".