103256553 has 8 divisors (see below), whose sum is σ = 138600000. Its totient is φ = 68375408.

The previous prime is 103256539. The next prime is 103256579. The reversal of 103256553 is 355652301.

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 103256553 - 2¹⁶ = 103191017 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103256553.

It is not an unprimeable number, because it can be changed into a prime (103256533) 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, 115053 + ... + 115946.

It is an arithmetic number, because the mean of its divisors is an integer number (17325000).

Almost surely, 2^103256553 is an apocalyptic number.

It is an amenable number.

103256553 is a deficient number, since it is larger than the sum of its proper divisors (35343447).

103256553 is a wasteful number, since it uses less digits than its factorization.

103256553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231151.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 103256553 is about 10161.5231633845. The cubic root of 103256553 is about 469.1436844853.

The spelling of 103256553 in words is "one hundred three million, two hundred fifty-six thousand, five hundred fifty-three".