405455101 has 4 divisors (see below), whose sum is σ = 405506304. Its totient is φ = 405403900.

The previous prime is 405455093. The next prime is 405455131. The reversal of 405455101 is 101554504.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 405455101 - 2³ = 405455093 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 (405455131) 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, 10915 + ... + 30496.

It is an arithmetic number, because the mean of its divisors is an integer number (101376576).

Almost surely, 2^405455101 is an apocalyptic number.

It is an amenable number.

405455101 is a deficient number, since it is larger than the sum of its proper divisors (51203).

405455101 is an equidigital number, since it uses as much as digits as its factorization.

405455101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51202.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 405455101 is about 20135.9156980754. The cubic root of 405455101 is about 740.1406483329.

The spelling of 405455101 in words is "four hundred five million, four hundred fifty-five thousand, one hundred one".