100253551 has 4 divisors (see below), whose sum is σ = 103710600. Its totient is φ = 96796504.

The previous prime is 100253537. The next prime is 100253603. The reversal of 100253551 is 155352001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100253551 - 2⁷ = 100253423 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 (100254551) 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, 1728481 + ... + 1728538.

It is an arithmetic number, because the mean of its divisors is an integer number (25927650).

Almost surely, 2^100253551 is an apocalyptic number.

100253551 is a deficient number, since it is larger than the sum of its proper divisors (3457049).

100253551 is an equidigital number, since it uses as much as digits as its factorization.

100253551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457048.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 100253551 is about 10012.6695241579. The cubic root of 100253551 is about 464.5508454366.

The spelling of 100253551 in words is "one hundred million, two hundred fifty-three thousand, five hundred fifty-one".