7957563 has 8 divisors (see below), whose sum is σ = 11071488. Its totient is φ = 5074344.

The previous prime is 7957531. The next prime is 7957577. The reversal of 7957563 is 3657597.

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

It is not a de Polignac number, because 7957563 - 2⁵ = 7957531 is a prime.

7957563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7957463) 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, 57595 + ... + 57732.

It is an arithmetic number, because the mean of its divisors is an integer number (1383936).

Almost surely, 2^7957563 is an apocalyptic number.

7957563 is a deficient number, since it is larger than the sum of its proper divisors (3113925).

7957563 is a wasteful number, since it uses less digits than its factorization.

7957563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115353.

The product of its digits is 198450, while the sum is 42.

The square root of 7957563 is about 2820.9152769979. The cubic root of 7957563 is about 199.6457311718.

The spelling of 7957563 in words is "seven million, nine hundred fifty-seven thousand, five hundred sixty-three".