30142525 has 12 divisors (see below), whose sum is σ = 42716512. Its totient is φ = 20669040.

The previous prime is 30142507. The next prime is 30142543. The reversal of 30142525 is 52524103.

It is an interprime number because it is at equal distance from previous prime (30142507) and next prime (30142543).

It is not a de Polignac number, because 30142525 - 2¹¹ = 30140477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30142496 and 30142505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85947 + ... + 86296.

Almost surely, 2^30142525 is an apocalyptic number.

30142525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30142525 is a deficient number, since it is larger than the sum of its proper divisors (12573987).

30142525 is a wasteful number, since it uses less digits than its factorization.

30142525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172260 (or 172255 counting only the distinct ones).

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

The square root of 30142525 is about 5490.2208516598. The cubic root of 30142525 is about 311.2145381984.

Adding to 30142525 its reverse (52524103), we get a palindrome (82666628).

The spelling of 30142525 in words is "thirty million, one hundred forty-two thousand, five hundred twenty-five".