30523252 has 6 divisors (see below), whose sum is σ = 53415698. Its totient is φ = 15261624.

The previous prime is 30523247. The next prime is 30523267. The reversal of 30523252 is 25232503.

It can be written as a sum of positive squares in only one way, i.e., 17606416 + 12916836 = 4196^2 + 3594^2 .

It is a super-3 number, since 3×30523252³ (a number of 23 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3815403 + ... + 3815410.

Almost surely, 2^30523252 is an apocalyptic number.

It is an amenable number.

30523252 is a deficient number, since it is larger than the sum of its proper divisors (22892446).

30523252 is a wasteful number, since it uses less digits than its factorization.

30523252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630817 (or 7630815 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 30523252 is about 5524.7852446950. The cubic root of 30523252 is about 312.5193656266.

Adding to 30523252 its reverse (25232503), we get a palindrome (55755755).

The spelling of 30523252 in words is "thirty million, five hundred twenty-three thousand, two hundred fifty-two".