4272991025 has 12 divisors (see below), whose sum is σ = 5318214300. Its totient is φ = 3405679680.

The previous prime is 4272991003. The next prime is 4272991027. The reversal of 4272991025 is 5201992724.

It can be written as a sum of positive squares in 6 ways, for example, as 30813601 + 4242177424 = 5551^2 + 65132^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4272991025 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4272991027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310970 + ... + 324419.

It is an arithmetic number, because the mean of its divisors is an integer number (443184525).

Almost surely, 2^4272991025 is an apocalyptic number.

It is an amenable number.

4272991025 is a deficient number, since it is larger than the sum of its proper divisors (1045223275).

4272991025 is a wasteful number, since it uses less digits than its factorization.

4272991025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635668 (or 635663 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 4272991025 is about 65368.1193319802. The cubic root of 4272991025 is about 1622.7215120449.

The spelling of 4272991025 in words is "four billion, two hundred seventy-two million, nine hundred ninety-one thousand, twenty-five".