957464821 has 4 divisors (see below), whose sum is σ = 957600000. Its totient is φ = 957329644.

The previous prime is 957464747. The next prime is 957464863. The reversal of 957464821 is 128464759.

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, and also an emirpimes, since its reverse is a distinct semiprime: 128464759 = 907 ⋅141637.

It is a cyclic number.

It is not a de Polignac number, because 957464821 - 2¹³ = 957456629 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 (957467821) 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, 56341 + ... + 71338.

It is an arithmetic number, because the mean of its divisors is an integer number (239400000).

Almost surely, 2^957464821 is an apocalyptic number.

It is an amenable number.

957464821 is a deficient number, since it is larger than the sum of its proper divisors (135179).

957464821 is a wasteful number, since it uses less digits than its factorization.

957464821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135178.

The product of its digits is 483840, while the sum is 46.

The square root of 957464821 is about 30942.9284490011. The cubic root of 957464821 is about 985.6156907246.

The spelling of 957464821 in words is "nine hundred fifty-seven million, four hundred sixty-four thousand, eight hundred twenty-one".