959457421 has 16 divisors (see below), whose sum is σ = 1090277440. Its totient is φ = 837008640.

The previous prime is 959457371. The next prime is 959457467. The reversal of 959457421 is 124754959.

It is not a de Polignac number, because 959457421 - 2¹⁷ = 959326349 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 (959457221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102466 + ... + 111436.

It is an arithmetic number, because the mean of its divisors is an integer number (68142340).

Almost surely, 2^959457421 is an apocalyptic number.

It is an amenable number.

959457421 is a deficient number, since it is larger than the sum of its proper divisors (130820019).

959457421 is a wasteful number, since it uses less digits than its factorization.

959457421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9436.

The product of its digits is 453600, while the sum is 46.

The square root of 959457421 is about 30975.1097011778. The cubic root of 959457421 is about 986.2989454190.

The spelling of 959457421 in words is "nine hundred fifty-nine million, four hundred fifty-seven thousand, four hundred twenty-one".