100254261 has 4 divisors (see below), whose sum is σ = 133672352. Its totient is φ = 66836172.

The previous prime is 100254257. The next prime is 100254277. The reversal of 100254261 is 162452001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 100254261 - 2² = 100254257 is a prime.

It is a super-2 number, since 2×100254261² = 20101833697312242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100254251) 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, 16709041 + ... + 16709046.

It is an arithmetic number, because the mean of its divisors is an integer number (33418088).

Almost surely, 2^100254261 is an apocalyptic number.

It is an amenable number.

100254261 is a deficient number, since it is larger than the sum of its proper divisors (33418091).

100254261 is an equidigital number, since it uses as much as digits as its factorization.

100254261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33418090.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 100254261 is about 10012.7049791752. The cubic root of 100254261 is about 464.5519420904.

The spelling of 100254261 in words is "one hundred million, two hundred fifty-four thousand, two hundred sixty-one".