30525214 has 4 divisors (see below), whose sum is σ = 45787824. Its totient is φ = 15262606.

The previous prime is 30525211. The next prime is 30525223. The reversal of 30525214 is 41252503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41252503 = 67 ⋅615709.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30525211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7631302 + ... + 7631305.

It is an arithmetic number, because the mean of its divisors is an integer number (11446956).

Almost surely, 2^30525214 is an apocalyptic number.

30525214 is a deficient number, since it is larger than the sum of its proper divisors (15262610).

30525214 is a wasteful number, since it uses less digits than its factorization.

30525214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15262609.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 30525214 is about 5524.9628053047. The cubic root of 30525214 is about 312.5260616131.

Adding to 30525214 its reverse (41252503), we get a palindrome (71777717).

The spelling of 30525214 in words is "thirty million, five hundred twenty-five thousand, two hundred fourteen".