10421957 has 12 divisors (see below), whose sum is σ = 13056876. Its totient is φ = 8245440.

The previous prime is 10421951. The next prime is 10421959. The reversal of 10421957 is 75912401.

10421957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2660161 + 7761796 = 1631^2 + 2786^2 .

It is not a de Polignac number, because 10421957 - 2⁶ = 10421893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7544 + ... + 8817.

It is an arithmetic number, because the mean of its divisors is an integer number (1088073).

Almost surely, 2^10421957 is an apocalyptic number.

It is an amenable number.

10421957 is a deficient number, since it is larger than the sum of its proper divisors (2634919).

10421957 is a wasteful number, since it uses less digits than its factorization.

10421957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16388 (or 16381 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 10421957 is about 3228.3055927220. The cubic root of 10421957 is about 218.4320821816.

The spelling of 10421957 in words is "ten million, four hundred twenty-one thousand, nine hundred fifty-seven".