4561957 has 6 divisors (see below), whose sum is σ = 4815078. Its totient is φ = 4321512.

The previous prime is 4561943. The next prime is 4561979. The reversal of 4561957 is 7591654.

It can be written as a sum of positive squares in only one way, i.e., 2989441 + 1572516 = 1729^2 + 1254^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4561957 is a prime.

It is a super-2 number, since 2×4561957² = 41622903339698, which contains 22 as substring.

It is a Duffinian number.

4561957 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5958 + ... + 6679.

It is an arithmetic number, because the mean of its divisors is an integer number (802513).

Almost surely, 2^4561957 is an apocalyptic number.

It is an amenable number.

4561957 is a deficient number, since it is larger than the sum of its proper divisors (253121).

4561957 is a wasteful number, since it uses less digits than its factorization.

4561957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12675 (or 12656 counting only the distinct ones).

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

The square root of 4561957 is about 2135.8738258614. The cubic root of 4561957 is about 165.8506059016.

The spelling of 4561957 in words is "four million, five hundred sixty-one thousand, nine hundred fifty-seven".