1352430521 has 32 divisors (see below), whose sum is σ = 1598994432. Its totient is φ = 1133383680.

The previous prime is 1352430517. The next prime is 1352430533. The reversal of 1352430521 is 1250342531.

It is a happy number.

It is not a de Polignac number, because 1352430521 - 2² = 1352430517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352430511) 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, 489881 + ... + 492633.

It is an arithmetic number, because the mean of its divisors is an integer number (49968576).

Almost surely, 2^1352430521 is an apocalyptic number.

It is an amenable number.

1352430521 is a deficient number, since it is larger than the sum of its proper divisors (246563911).

1352430521 is a wasteful number, since it uses less digits than its factorization.

1352430521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1352430521 is about 36775.4064695416. The cubic root of 1352430521 is about 1105.8723197898.

The spelling of 1352430521 in words is "one billion, three hundred fifty-two million, four hundred thirty thousand, five hundred twenty-one".