4557961 has 4 divisors (see below), whose sum is σ = 4705024. Its totient is φ = 4410900.

The previous prime is 4557941. The next prime is 4557977. The reversal of 4557961 is 1697554.

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.

It is a cyclic number.

It is not a de Polignac number, because 4557961 - 2¹¹ = 4555913 is a prime.

It is a Duffinian number.

4557961 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4557961.

It is not an unprimeable number, because it can be changed into a prime (4557941) 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, 73485 + ... + 73546.

It is an arithmetic number, because the mean of its divisors is an integer number (1176256).

Almost surely, 2^4557961 is an apocalyptic number.

It is an amenable number.

4557961 is a deficient number, since it is larger than the sum of its proper divisors (147063).

4557961 is a wasteful number, since it uses less digits than its factorization.

4557961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147062.

The product of its digits is 37800, while the sum is 37.

The square root of 4557961 is about 2134.9381724069. The cubic root of 4557961 is about 165.8021667031.

The spelling of 4557961 in words is "four million, five hundred fifty-seven thousand, nine hundred sixty-one".