108621253 has 8 divisors (see below), whose sum is σ = 117380088. Its totient is φ = 99920064.

The previous prime is 108621229. The next prime is 108621283. The reversal of 108621253 is 352126801.

It can be written as a sum of positive squares in 4 ways, for example, as 43059844 + 65561409 = 6562^2 + 8097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108621253 - 2⁹ = 108620741 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 (108621283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10450 + ... + 18067.

It is an arithmetic number, because the mean of its divisors is an integer number (14672511).

Almost surely, 2^108621253 is an apocalyptic number.

108621253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

108621253 is a deficient number, since it is larger than the sum of its proper divisors (8758835).

108621253 is a wasteful number, since it uses less digits than its factorization.

108621253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28823.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 108621253 is about 10422.1520330496. The cubic root of 108621253 is about 477.1316977587.

The spelling of 108621253 in words is "one hundred eight million, six hundred twenty-one thousand, two hundred fifty-three".