30481441 has 3 divisors (see below), whose sum is σ = 30486963. Its totient is φ = 30475920.

The previous prime is 30481433. The next prime is 30481447. The reversal of 30481441 is 14418403.

The square root of 30481441 is 5521.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 8579041 + 21902400 = 2929^2 + 4680^2 .

It is not a de Polignac number, because 30481441 - 2³ = 30481433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30481447) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2761 + ... + 8281.

It is an arithmetic number, because the mean of its divisors is an integer number (10162321).

Almost surely, 2^30481441 is an apocalyptic number.

30481441 is the 5521-st square number.

30481441 is the 2761-st centered octagonal number.

It is an amenable number.

30481441 is a deficient number, since it is larger than the sum of its proper divisors (5522).

30481441 is an frugal number, since it uses more digits than its factorization.

30481441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11042 (or 5521 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The cubic root of 30481441 is about 312.3766032274.

Multiplying 30481441 by its sum of digits (25), we get a square (762036025 = 27605²).

Adding to 30481441 its reverse (14418403), we get a palindrome (44899844).

It can be divided in two parts, 3048 and 1441, that added together give a square (4489 = 67²).

The spelling of 30481441 in words is "thirty million, four hundred eighty-one thousand, four hundred forty-one".