30000495 has 56 divisors (see below), whose sum is σ = 59295024. Its totient is φ = 12907776.

The previous prime is 30000493. The next prime is 30000511. The reversal of 30000495 is 59400003.

It is not a de Polignac number, because 30000495 - 2¹ = 30000493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

30000495 is a modest number, since divided by 495 gives 30 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000493) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1764727 + ... + 1764743.

Almost surely, 2^30000495 is an apocalyptic number.

30000495 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30000495 is a deficient number, since it is larger than the sum of its proper divisors (29294529).

30000495 is an frugal number, since it uses more digits than its factorization.

30000495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 32 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 30000495 is about 5477.2707619763. The cubic root of 30000495 is about 310.7249595639.

Adding to 30000495 its reverse (59400003), we get a palindrome (89400498).

The spelling of 30000495 in words is "thirty million, four hundred ninety-five", and thus it is an aban number.