30162641 has 6 divisors (see below), whose sum is σ = 32041590. Its totient is φ = 28388096.

The previous prime is 30162631. The next prime is 30162647. The reversal of 30162641 is 14626103.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 16443025 + 13719616 = 4055^2 + 3704^2 .

It is not a de Polignac number, because 30162641 - 2⁶ = 30162577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30162647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51896 + ... + 52473.

It is an arithmetic number, because the mean of its divisors is an integer number (5340265).

Almost surely, 2^30162641 is an apocalyptic number.

It is an amenable number.

30162641 is a deficient number, since it is larger than the sum of its proper divisors (1878949).

30162641 is a wasteful number, since it uses less digits than its factorization.

30162641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104403 (or 104386 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30162641 is about 5492.0525307029. The cubic root of 30162641 is about 311.2837538057.

Adding to 30162641 its reverse (14626103), we get a palindrome (44788744).

It can be divided in two parts, 30162 and 641, that added together give a palindrome (30803).

The spelling of 30162641 in words is "thirty million, one hundred sixty-two thousand, six hundred forty-one".