103263551 has 4 divisors (see below), whose sum is σ = 103529400. Its totient is φ = 102997704.

The previous prime is 103263547. The next prime is 103263553. The reversal of 103263551 is 155362301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155362301 = 12347 ⋅12583.

It is a cyclic number.

It is not a de Polignac number, because 103263551 - 2² = 103263547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103263551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103263553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132341 + ... + 133118.

It is an arithmetic number, because the mean of its divisors is an integer number (25882350).

Almost surely, 2^103263551 is an apocalyptic number.

103263551 is a deficient number, since it is larger than the sum of its proper divisors (265849).

103263551 is an equidigital number, since it uses as much as digits as its factorization.

103263551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265848.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 103263551 is about 10161.8674956919. The cubic root of 103263551 is about 469.1542826612.

The spelling of 103263551 in words is "one hundred three million, two hundred sixty-three thousand, five hundred fifty-one".