30270549 has 4 divisors (see below), whose sum is σ = 40360736. Its totient is φ = 20180364.

The previous prime is 30270547. The next prime is 30270571. The reversal of 30270549 is 94507203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30270549 - 2¹ = 30270547 is a prime.

It is a super-2 number, since 2×30270549² = 1832612273522802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30270547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5045089 + ... + 5045094.

It is an arithmetic number, because the mean of its divisors is an integer number (10090184).

Almost surely, 2^30270549 is an apocalyptic number.

It is an amenable number.

30270549 is a deficient number, since it is larger than the sum of its proper divisors (10090187).

30270549 is a wasteful number, since it uses less digits than its factorization.

30270549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10090186.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 30270549 is about 5501.8677737656. The cubic root of 30270549 is about 311.6545218497.

The spelling of 30270549 in words is "thirty million, two hundred seventy thousand, five hundred forty-nine".