4152661 has 4 divisors (see below), whose sum is σ = 4157152. Its totient is φ = 4148172.

The previous prime is 4152653. The next prime is 4152677. The reversal of 4152661 is 1662514.

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 not a de Polignac number, because 4152661 - 2³ = 4152653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4152601) 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, 291 + ... + 2896.

It is an arithmetic number, because the mean of its divisors is an integer number (1039288).

Almost surely, 2^4152661 is an apocalyptic number.

It is an amenable number.

4152661 is a deficient number, since it is larger than the sum of its proper divisors (4491).

4152661 is a wasteful number, since it uses less digits than its factorization.

4152661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490.

The product of its digits is 1440, while the sum is 25.

The square root of 4152661 is about 2037.8078908474. The cubic root of 4152661 is about 160.7343974079.

It can be divided in two parts, 4152 and 661, that multiplied together give a palindrome (2744472).

The spelling of 4152661 in words is "four million, one hundred fifty-two thousand, six hundred sixty-one".