4261657 has 4 divisors (see below), whose sum is σ = 4266000. Its totient is φ = 4257316.

The previous prime is 4261651. The next prime is 4261661. The reversal of 4261657 is 7561624.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4261657 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (4261651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78 + ... + 2920.

It is an arithmetic number, because the mean of its divisors is an integer number (1066500).

Almost surely, 2^4261657 is an apocalyptic number.

It is an amenable number.

4261657 is a deficient number, since it is larger than the sum of its proper divisors (4343).

4261657 is a wasteful number, since it uses less digits than its factorization.

4261657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342.

The product of its digits is 10080, while the sum is 31.

The square root of 4261657 is about 2064.3781145904. The cubic root of 4261657 is about 162.1285495952.

The spelling of 4261657 in words is "four million, two hundred sixty-one thousand, six hundred fifty-seven".