61699325 has 12 divisors (see below), whose sum is σ = 76765920. Its totient is φ = 49192560.

The previous prime is 61699321. The next prime is 61699333. The reversal of 61699325 is 52399616.

It is not a de Polignac number, because 61699325 - 2² = 61699321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61699321) 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, 3656 + ... + 11694.

It is an arithmetic number, because the mean of its divisors is an integer number (6397160).

Almost surely, 2^61699325 is an apocalyptic number.

It is an amenable number.

61699325 is a deficient number, since it is larger than the sum of its proper divisors (15066595).

61699325 is a wasteful number, since it uses less digits than its factorization.

61699325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356 (or 8351 counting only the distinct ones).

The product of its digits is 87480, while the sum is 41.

The square root of 61699325 is about 7854.8917879243. The cubic root of 61699325 is about 395.1483179594.

The spelling of 61699325 in words is "sixty-one million, six hundred ninety-nine thousand, three hundred twenty-five".