61366525 has 12 divisors (see below), whose sum is σ = 83012544. Its totient is φ = 44630000.

The previous prime is 61366519. The next prime is 61366541. The reversal of 61366525 is 52566316.

It is not a de Polignac number, because 61366525 - 2⁷ = 61366397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111301 + ... + 111850.

It is an arithmetic number, because the mean of its divisors is an integer number (6917712).

Almost surely, 2^61366525 is an apocalyptic number.

It is an amenable number.

61366525 is a deficient number, since it is larger than the sum of its proper divisors (21646019).

61366525 is a wasteful number, since it uses less digits than its factorization.

61366525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223172 (or 223167 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 61366525 is about 7833.6788930872. The cubic root of 61366525 is about 394.4365732007.

The spelling of 61366525 in words is "sixty-one million, three hundred sixty-six thousand, five hundred twenty-five".