10621653 has 16 divisors (see below), whose sum is σ = 16889856. Its totient is φ = 5805360.

The previous prime is 10621643. The next prime is 10621657. The reversal of 10621653 is 35612601.

It is not a de Polignac number, because 10621653 - 2⁵ = 10621621 is a prime.

It is a super-2 number, since 2×10621653² = 225639024904818, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621657) 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, 10513 + ... + 11478.

It is an arithmetic number, because the mean of its divisors is an integer number (1055616).

Almost surely, 2^10621653 is an apocalyptic number.

It is an amenable number.

10621653 is a deficient number, since it is larger than the sum of its proper divisors (6268203).

10621653 is a wasteful number, since it uses less digits than its factorization.

10621653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22024.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 10621653 is about 3259.0877557992. The cubic root of 10621653 is about 219.8183969656.

The spelling of 10621653 in words is "ten million, six hundred twenty-one thousand, six hundred fifty-three".