6971415025 has 9 divisors (see below), whose sum is σ = 8645072331. Its totient is φ = 5576798040.

The previous prime is 6971414993. The next prime is 6971415037. The reversal of 6971415025 is 5205141796.

The square root of 6971415025 is 83495.

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

It can be written as a sum of positive squares in only one way, i.e., 2509709409 + 4461705616 = 50097^2 + 66796^2 .

It is not a de Polignac number, because 6971415025 - 2⁵ = 6971414993 is a prime.

It is a super-4 number, since 4×6971415025⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 409126 + ... + 425824.

Almost surely, 2^6971415025 is an apocalyptic number.

6971415025 is the 83495-th square number.

6971415025 is the 41748-th centered octagonal number.

It is an amenable number.

6971415025 is a deficient number, since it is larger than the sum of its proper divisors (1673657306).

6971415025 is an frugal number, since it uses more digits than its factorization.

6971415025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33408 (or 16704 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The cubic root of 6971415025 is about 1910.3237689310.

The spelling of 6971415025 in words is "six billion, nine hundred seventy-one million, four hundred fifteen thousand, twenty-five".