412372981 has 4 divisors (see below), whose sum is σ = 413193312. Its totient is φ = 411552652.

The previous prime is 412372973. The next prime is 412372991. The reversal of 412372981 is 189273214.

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 412372981 - 2³ = 412372973 is a prime.

It is a super-2 number, since 2×412372981² = 340102950917652722, which contains 22 as substring.

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 412372981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412372901) 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, 409411 + ... + 410416.

It is an arithmetic number, because the mean of its divisors is an integer number (103298328).

Almost surely, 2^412372981 is an apocalyptic number.

It is an amenable number.

412372981 is a deficient number, since it is larger than the sum of its proper divisors (820331).

412372981 is an equidigital number, since it uses as much as digits as its factorization.

412372981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820330.

The product of its digits is 24192, while the sum is 37.

The square root of 412372981 is about 20306.9687792147. The cubic root of 412372981 is about 744.3263619290.

The spelling of 412372981 in words is "four hundred twelve million, three hundred seventy-two thousand, nine hundred eighty-one".