2670457 has 2 divisors, whose sum is σ = 2670458. Its totient is φ = 2670456.

The previous prime is 2670449. The next prime is 2670463. The reversal of 2670457 is 7540762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1527696 + 1142761 = 1236^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 2670457 - 2³ = 2670449 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2670467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335228 + 1335229.

It is an arithmetic number, because the mean of its divisors is an integer number (1335229).

2^2670457 is an apocalyptic number.

It is an amenable number.

2670457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2670457 is an equidigital number, since it uses as much as digits as its factorization.

2670457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 2670457 is about 1634.1532975826. The cubic root of 2670457 is about 138.7379255245.

The spelling of 2670457 in words is "two million, six hundred seventy thousand, four hundred fifty-seven".