412451405 has 4 divisors (see below), whose sum is σ = 494941692. Its totient is φ = 329961120.

The previous prime is 412451393. The next prime is 412451407. The reversal of 412451405 is 504154214.

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

It can be written as a sum of positive squares in 2 ways, for example, as 268763236 + 143688169 = 16394^2 + 11987^2 .

It is a de Polignac number, because none of the positive numbers 2^k-412451405 is a prime.

It is a super-2 number, since 2×412451405² = 340232322972948050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412451407) 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, 41245136 + ... + 41245145.

It is an arithmetic number, because the mean of its divisors is an integer number (123735423).

Almost surely, 2^412451405 is an apocalyptic number.

It is an amenable number.

412451405 is a deficient number, since it is larger than the sum of its proper divisors (82490287).

412451405 is an equidigital number, since it uses as much as digits as its factorization.

412451405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82490286.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 412451405 is about 20308.8996501534. The cubic root of 412451405 is about 744.3735436094.

The spelling of 412451405 in words is "four hundred twelve million, four hundred fifty-one thousand, four hundred five".