30451995025 has 27 divisors (see below), whose sum is σ = 40131885171. Its totient is φ = 22917392640.

The previous prime is 30451995023. The next prime is 30451995029. The reversal of 30451995025 is 52059915403.

The square root of 30451995025 is 174505.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 10156003729 + 20295991296 = 100777^2 + 142464^2 .

It is not a de Polignac number, because 30451995025 - 2¹ = 30451995023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30451995023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14831899 + ... + 14833951.

Almost surely, 2^30451995025 is an apocalyptic number.

30451995025 is the 174505-th square number.

30451995025 is the 87253-rd centered octagonal number.

It is an amenable number.

30451995025 is a deficient number, since it is larger than the sum of its proper divisors (9679890146).

30451995025 is an frugal number, since it uses more digits than its factorization.

30451995025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 30451995025 in words is "thirty billion, four hundred fifty-one million, nine hundred ninety-five thousand, twenty-five".