657225141 has 8 divisors (see below), whose sum is σ = 904568064. Its totient is φ = 424016160.

The previous prime is 657225133. The next prime is 657225167. The reversal of 657225141 is 141522756.

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

It is not a de Polignac number, because 657225141 - 2³ = 657225133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (657225641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3533376 + ... + 3533561.

It is an arithmetic number, because the mean of its divisors is an integer number (113071008).

Almost surely, 2^657225141 is an apocalyptic number.

It is an amenable number.

657225141 is a deficient number, since it is larger than the sum of its proper divisors (247342923).

657225141 is a wasteful number, since it uses less digits than its factorization.

657225141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7066971.

The product of its digits is 16800, while the sum is 33.

The square root of 657225141 is about 25636.4026532585. The cubic root of 657225141 is about 869.4368756436.

Adding to 657225141 its reverse (141522756), we get a palindrome (798747897).

It can be divided in two parts, 6572 and 25141, that added together give a palindrome (31713).

The spelling of 657225141 in words is "six hundred fifty-seven million, two hundred twenty-five thousand, one hundred forty-one".