10617421 has 4 divisors (see below), whose sum is σ = 11079072. Its totient is φ = 10155772.

The previous prime is 10617413. The next prime is 10617479. The reversal of 10617421 is 12471601.

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.

It is a cyclic number.

It is not a de Polignac number, because 10617421 - 2³ = 10617413 is a prime.

It is a super-2 number, since 2×10617421² = 225459257382482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10617392 and 10617401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10617491) 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, 230791 + ... + 230836.

It is an arithmetic number, because the mean of its divisors is an integer number (2769768).

Almost surely, 2^10617421 is an apocalyptic number.

It is an amenable number.

10617421 is a deficient number, since it is larger than the sum of its proper divisors (461651).

10617421 is an equidigital number, since it uses as much as digits as its factorization.

10617421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461650.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 10617421 is about 3258.4384296776. The cubic root of 10617421 is about 219.7891989041.

The spelling of 10617421 in words is "ten million, six hundred seventeen thousand, four hundred twenty-one".