2453657 has 2 divisors, whose sum is σ = 2453658. Its totient is φ = 2453656.

The previous prime is 2453653. The next prime is 2453687. The reversal of 2453657 is 7563542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1263376 + 1190281 = 1124^2 + 1091^2 .

It is a cyclic number.

It is not a de Polignac number, because 2453657 - 2² = 2453653 is a prime.

It is equal to p₁₇₉₉₄₂ and since 2453657 and 179942 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2453651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1226828 + 1226829.

It is an arithmetic number, because the mean of its divisors is an integer number (1226829).

2^2453657 is an apocalyptic number.

It is an amenable number.

2453657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2453657 is an equidigital number, since it uses as much as digits as its factorization.

2453657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 32.

The square root of 2453657 is about 1566.4153344500. The cubic root of 2453657 is about 134.8770164839.

The spelling of 2453657 in words is "two million, four hundred fifty-three thousand, six hundred fifty-seven".