30425390 has 16 divisors (see below), whose sum is σ = 55199232. Its totient is φ = 12073824.

The previous prime is 30425387. The next prime is 30425411. The reversal of 30425390 is 9352403.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10709 + ... + 13248.

It is an arithmetic number, because the mean of its divisors is an integer number (3449952).

Almost surely, 2^30425390 is an apocalyptic number.

30425390 is a deficient number, since it is larger than the sum of its proper divisors (24773842).

30425390 is a wasteful number, since it uses less digits than its factorization.

30425390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24091.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 30425390 is about 5515.9215005292. The cubic root of 30425390 is about 312.1850138145.

Adding to 30425390 its reverse (9352403), we get a palindrome (39777793).

The spelling of 30425390 in words is "thirty million, four hundred twenty-five thousand, three hundred ninety".