6961538 has 4 divisors (see below), whose sum is σ = 10442310. Its totient is φ = 3480768.

The previous prime is 6961531. The next prime is 6961541. The reversal of 6961538 is 8351696.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3853369 + 3108169 = 1963^2 + 1763^2 .

It is a super-2 number, since 2×6961538² = 96926022650888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6961531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740383 + ... + 1740386.

Almost surely, 2^6961538 is an apocalyptic number.

6961538 is a deficient number, since it is larger than the sum of its proper divisors (3480772).

6961538 is a wasteful number, since it uses less digits than its factorization.

6961538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480771.

The product of its digits is 38880, while the sum is 38.

The square root of 6961538 is about 2638.4726642510. The cubic root of 6961538 is about 190.9421167217.

The spelling of 6961538 in words is "six million, nine hundred sixty-one thousand, five hundred thirty-eight".