1521472406 has 8 divisors (see below), whose sum is σ = 2298867480. Its totient is φ = 755183248.

The previous prime is 1521472361. The next prime is 1521472417. The reversal of 1521472406 is 6042741251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776136 + ... + 2776683.

It is an arithmetic number, because the mean of its divisors is an integer number (287358435).

Almost surely, 2^1521472406 is an apocalyptic number.

1521472406 is a deficient number, since it is larger than the sum of its proper divisors (777395074).

1521472406 is a wasteful number, since it uses less digits than its factorization.

1521472406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552958.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1521472406 is about 39006.0560169828. The cubic root of 1521472406 is about 1150.1505552101.

The spelling of 1521472406 in words is "one billion, five hundred twenty-one million, four hundred seventy-two thousand, four hundred six".