2353657 has 2 divisors, whose sum is σ = 2353658. Its totient is φ = 2353656.

The previous prime is 2353651. The next prime is 2353661. The reversal of 2353657 is 7563532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1679616 + 674041 = 1296^2 + 821^2 .

It is a cyclic number.

It is not a de Polignac number, because 2353657 - 2³ = 2353649 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 3⁶ + 5³ + 3¹¹ + 6² + 5⁷ + 7³ .

It is not a weakly prime, because it can be changed into another prime (2353651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1176828 + 1176829.

It is an arithmetic number, because the mean of its divisors is an integer number (1176829).

2^2353657 is an apocalyptic number.

It is an amenable number.

2353657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2353657 is an equidigital number, since it uses as much as digits as its factorization.

2353657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 31.

The square root of 2353657 is about 1534.1632898750. The cubic root of 2353657 is about 133.0192182077.

The spelling of 2353657 in words is "two million, three hundred fifty-three thousand, six hundred fifty-seven".