4961557 has 8 divisors (see below), whose sum is σ = 5084000. Its totient is φ = 4840560.

The previous prime is 4961549. The next prime is 4961563. The reversal of 4961557 is 7551694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4961557 - 2³ = 4961549 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 (4961507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9694 + ... + 10192.

It is an arithmetic number, because the mean of its divisors is an integer number (635500).

Almost surely, 2^4961557 is an apocalyptic number.

It is an amenable number.

4961557 is a deficient number, since it is larger than the sum of its proper divisors (122443).

4961557 is a wasteful number, since it uses less digits than its factorization.

4961557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723.

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

The square root of 4961557 is about 2227.4552745229. The cubic root of 4961557 is about 170.5582226489.

The spelling of 4961557 in words is "four million, nine hundred sixty-one thousand, five hundred fifty-seven".