30625250 has 16 divisors (see below), whose sum is σ = 57330936. Its totient is φ = 12250000.

The previous prime is 30625249. The next prime is 30625253. The reversal of 30625250 is 5252603.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20620681 + 10004569 = 4541^2 + 3163^2 .

It is not an unprimeable number, because it can be changed into a prime (30625253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61001 + ... + 61500.

Almost surely, 2^30625250 is an apocalyptic number.

30625250 is a deficient number, since it is larger than the sum of its proper divisors (26705686).

30625250 is a wasteful number, since it uses less digits than its factorization.

30625250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122518 (or 122508 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 30625250 is about 5534.0084929461. The cubic root of 30625250 is about 312.8670886182.

Adding to 30625250 its reverse (5252603), we get a palindrome (35877853).

The spelling of 30625250 in words is "thirty million, six hundred twenty-five thousand, two hundred fifty".