305130535 has 24 divisors (see below), whose sum is σ = 405917856. Its totient is φ = 219732480.

The previous prime is 305130499. The next prime is 305130541. The reversal of 305130535 is 535031503.

It is a happy number.

It is not a de Polignac number, because 305130535 - 2⁷ = 305130407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28645 + ... + 37825.

It is an arithmetic number, because the mean of its divisors is an integer number (16913244).

Almost surely, 2^305130535 is an apocalyptic number.

305130535 is a deficient number, since it is larger than the sum of its proper divisors (100787321).

305130535 is a wasteful number, since it uses less digits than its factorization.

305130535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243 (or 9226 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 305130535 is about 17467.9860029713. The cubic root of 305130535 is about 673.2275657862.

The spelling of 305130535 in words is "three hundred five million, one hundred thirty thousand, five hundred thirty-five".