10634621 has 4 divisors (see below), whose sum is σ = 10894044. Its totient is φ = 10375200.

The previous prime is 10634597. The next prime is 10634627. The reversal of 10634621 is 12643601.

It is a happy number.

10634621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12643601 = 1231 ⋅10271.

It can be written as a sum of positive squares in 2 ways, for example, as 5112121 + 5522500 = 2261^2 + 2350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10634621 is a prime.

It is a super-2 number, since 2×10634621² = 226190327627282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10634627) 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, 129650 + ... + 129731.

It is an arithmetic number, because the mean of its divisors is an integer number (2723511).

Almost surely, 2^10634621 is an apocalyptic number.

It is an amenable number.

10634621 is a deficient number, since it is larger than the sum of its proper divisors (259423).

10634621 is an equidigital number, since it uses as much as digits as its factorization.

10634621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259422.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 10634621 is about 3261.0766626990. The cubic root of 10634621 is about 219.9078195083.

The spelling of 10634621 in words is "ten million, six hundred thirty-four thousand, six hundred twenty-one".