412051521 has 16 divisors (see below), whose sum is σ = 639736704. Its totient is φ = 231014784.

The previous prime is 412051513. The next prime is 412051531. The reversal of 412051521 is 125150214.

It is not a de Polignac number, because 412051521 - 2³ = 412051513 is a prime.

It is a super-3 number, since 3×412051521³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (412051511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183996 + ... + 186221.

It is an arithmetic number, because the mean of its divisors is an integer number (39983544).

Almost surely, 2^412051521 is an apocalyptic number.

It is an amenable number.

412051521 is a deficient number, since it is larger than the sum of its proper divisors (227685183).

412051521 is a wasteful number, since it uses less digits than its factorization.

412051521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370280.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 412051521 is about 20299.0522192540. The cubic root of 412051521 is about 744.1329016686.

The spelling of 412051521 in words is "four hundred twelve million, fifty-one thousand, five hundred twenty-one".