1352934021 has 16 divisors (see below), whose sum is σ = 1841258304. Its totient is φ = 883344384.

The previous prime is 1352934019. The next prime is 1352934091. The reversal of 1352934021 is 1204392531.

It is not a de Polignac number, because 1352934021 - 2¹ = 1352934019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1352934021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352934091) 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, 84370 + ... + 99116.

It is an arithmetic number, because the mean of its divisors is an integer number (115078644).

Almost surely, 2^1352934021 is an apocalyptic number.

It is an amenable number.

1352934021 is a deficient number, since it is larger than the sum of its proper divisors (488324283).

1352934021 is a wasteful number, since it uses less digits than its factorization.

1352934021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15380.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1352934021 is about 36782.2514400628. The cubic root of 1352934021 is about 1106.0095388238.

The spelling of 1352934021 in words is "one billion, three hundred fifty-two million, nine hundred thirty-four thousand, twenty-one".