1534464321 has 32 divisors (see below), whose sum is σ = 2273564160. Its totient is φ = 914644224.

The previous prime is 1534464317. The next prime is 1534464329. The reversal of 1534464321 is 1234644351.

It is a happy number.

It is not a de Polignac number, because 1534464321 - 2² = 1534464317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1534464329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158595 + ... + 167991.

It is an arithmetic number, because the mean of its divisors is an integer number (71048880).

Almost surely, 2^1534464321 is an apocalyptic number.

It is an amenable number.

1534464321 is a deficient number, since it is larger than the sum of its proper divisors (739099839).

1534464321 is a wasteful number, since it uses less digits than its factorization.

1534464321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9545.

The product of its digits is 34560, while the sum is 33.

The square root of 1534464321 is about 39172.2391624477. The cubic root of 1534464321 is about 1153.4150085183.

The spelling of 1534464321 in words is "one billion, five hundred thirty-four million, four hundred sixty-four thousand, three hundred twenty-one".