30545235 has 32 divisors (see below), whose sum is σ = 62062080. Its totient is φ = 13963104.

The previous prime is 30545231. The next prime is 30545237. The reversal of 30545235 is 53254503.

It is not a de Polignac number, because 30545235 - 2² = 30545231 is a prime.

It is a super-2 number, since 2×30545235² = 1866022762410450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 30545199 and 30545208.

It is not an unprimeable number, because it can be changed into a prime (30545231) 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, 15217 + ... + 17106.

It is an arithmetic number, because the mean of its divisors is an integer number (1939440).

Almost surely, 2^30545235 is an apocalyptic number.

30545235 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30545235 is an abundant number, since it is smaller than the sum of its proper divisors (31516845).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30545235 is a wasteful number, since it uses less digits than its factorization.

30545235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32344 (or 32338 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 30545235 is about 5526.7743757096. The cubic root of 30545235 is about 312.5943736300.

Adding to 30545235 its reverse (53254503), we get a palindrome (83799738).

The spelling of 30545235 in words is "thirty million, five hundred forty-five thousand, two hundred thirty-five".